| Organization Name | Status | Type | City | State |
| 2nd Nature Academy | Inactive | Private/Independent School | Nashua | NH |
| A Step Up Academy | Inactive | Private/Independent School | Jenkintown, PA | PA |
| A. E. Phillips Laboratory School | Inactive | Public School [Stand Alone] | Ruston | LA |
| Abby Kelley Foster Charter School | Inactive | Charter School | Worcester | MA |
| Abington Friends School | Inactive | Private/Independent School | Jenkintown | PA |
| Abington School District | Inactive | Public School District | Abington | PA |
| Academics in Asia | Inactive | College/University | Henan | II |
| Academies of Math and Science | Inactive | Charter School | Tucson | AZ |
| Academy Charter School, The | Inactive | Charter School | Hempstead | NY |
| Academy for Advanced and Creative Learning | Inactive | Charter School | Colorado Springs | CO |
| Academy for Urban School Leadership | Inactive | Non-Profit Organization [Non School] | Chicago | IL |
| Academy Hill School | Inactive | Private/Independent School | Springfield | MA |
| Academy of Hope PCS | Inactive | Other | Washington | DC |
| Academy of Notre Dame de Namur | Inactive | Private/Independent School | Villanova | PA |
| Academy of Our Lady of Peace | Inactive | Private/Independent School | San Diego | CA |
| Academy of the Holy Cross | Inactive | Private/Independent School | Kensington | MD |
| Academy of the Holy Names | Inactive | Private/Independent School | Tampa | FL |
| Academy of the Pacific Rim Charter Public School | Inactive | Charter School | Hyde Park | MA |
| Academy of the Sacred Heart, The | Inactive | Private/Independent School | New Orleans | LA |
| Academy Prep Center of St. Petersburg | Inactive | Non-Profit Organization [Non School] | St. Petersburg | FL |
| ACCIS | Inactive | Non-Profit Organization [Non School] | San Diego | CA |
| Accomack County Public Schools | Inactive | Public School District | Accomac | VA |
| Achieve @Noble and Greenough School | Inactive | Program [Summer/Seasonal] | Dedham | MA |
| Achievement First | Inactive | Charter School | Brooklyn | NY |
| Achievement Network | Inactive | Non-Profit Organization [Non School] | Boston | MA |
| Achievement Network, The | Inactive | Public School [Stand Alone] | Boston | MA |
| Achievement Prep | Inactive | Charter School | Washington | DC |
| Achiever Christian School | Inactive | Private/Independent School | San Jose | CA |
| Achieving The Dream | Inactive | Non-Profit Organization [Non School] | Silver Spring | MD |
| Action for Boston Community Development, Inc. | Inactive | Non-Profit Organization [Non School] | Boston | MA |
| Acton Boxborough Public Schools | Inactive | Public School District | Acton | MA |
| Adam J. Lewis Academy | Active | Private/Independent School | Bridgeport | CT |
| Adda Clevenger School | Inactive | Private/Independent School | San Francisco | CA |
| Adelphi University | Inactive | College/University | Garden City | NY |
| Adlai Stevenson High School | Inactive | Public School District | Lincolnshire | IL |
| Adrian Public Schools | Inactive | Public School District | Adrian | MI |
| Advanced Math and Science Academy Charter School | Inactive | Charter School | Marlborough | MA |
| Advent School | Inactive | Private/Independent School | Boston | MA |
| AECI Charter High School | Inactive | Charter School | Bronx | NY |
| Affirma Consultancy | Inactive | Business/Corporation | Portland | OR |
| Affordable Housing Concepts | Inactive | Business/Corporation | Gardiner | NY |
| Agnes Irwin School, The | Inactive | Private/Independent School | Rosemont | PA |
| AIM Academy | Inactive | Private/Independent School | Conshohocken | PA |
| AIM HIGH | Inactive | Non-Profit Organization [Non School] | San Francisco | CA |
| Alachua County Public Schools | Inactive | Public School District | Gainesville | FL |
| Albany Academies, The | Inactive | Private/Independent School | Albany | NY |
| Albany Charter School Network | Inactive | Charter School | Albany | NY |
| Albany College of Pharmacy | Inactive | College/University | Albany | NY |
| Albany Community Charter School | Inactive | Charter School | Albany | NY |
| Albemarle County Public Schools | Inactive | Public School District | Charlottesville | VA |
| Albion College | Inactive | College/University | Albion | MI |
| Albuquerque Academy | Inactive | Private/Independent School | Albuquerque | NM |
| Alcuin School | Inactive | Private/Independent School | Dallas | TX |
| Alexander Dawson School | Inactive | Private/Independent School | Lafayette | CO |
| Alexandria City Public Schools | Inactive | Public School [Stand Alone] | Alexandria | VA |
| Alexandria Country Day School | Inactive | Private/Independent School | Alexandria | VA |
| All Our Kin | Inactive | Non-Profit Organization [Non School] | New Haven | CT |
| All Our Kin | Inactive | Non-Profit Organization [Non School] | New Haven | CT |
| All Saints Academy | Inactive | Private/Independent School | Winter Haven | FL |
| All Saints Episcopal Day School [AZ] | Inactive | Private/Independent School | Phoenix | AZ |
| All Saints Episcopal Day School [NJ] | Inactive | Private/Independent School | Hoboken | NJ |
| All Saints' Episcopal School [TX] | Active | Private/Independent School | Fort Worth | TX |
| Allen-Stevenson School | Inactive | Private/Independent School | New York | NY |
| Allendale Columbia School | Inactive | Private/Independent School | Rochester | NY |
| Allentown School District | Inactive | Public School District | Allentown | PA |
| Alliance College-Ready Public Schools | Inactive | Charter School | Los Angeles | CA |
| Alma del Mar Charter School | Inactive | Public School [Stand Alone] | New Bedford | MA |
| Almaden Country Day School | Inactive | Private/Independent School | San Jose | CA |
| Alpha Public Schools | Inactive | Charter School | San Jose | CA |
| Alta Vista School | Inactive | Private/Independent School | San Francisco | CA |
| Alzar School | Inactive | Private/Independent School | Cascade | ID |
| Amani Public Charter School | Inactive | Charter School | Mount Vernon | NY |
| Amarillo ISD | Inactive | Public School District | Amarillo | TX |
| American Association of Teachers of French | Inactive | Non-Profit Organization [Non School] | Marion | IL |
| American Medical Association | Inactive | Non-Profit Organization [Non School] | Chicago | IL |
| American Paradigm Schools | Inactive | Charter School | Philadelphia | PA |
| American School in London, The | Active | Private/Independent School | London | II |
| American School of Bombay | Inactive | Private/Independent School | Mumbai | II |
| American University | Inactive | College/University | Washington | DC |
| Ames Community School District (IA) | Inactive | Public School District | Ames | IA |
| Amherst-Pelham Regional School District | Inactive | Public School [Stand Alone] | Amherst | MA |
| Amistad Academy | Inactive | Charter School | New Haven | CT |
| Amityville UFSD | Inactive | Public School District | Amityville | NY |
| Amphitheater Public Schools | Inactive | Public School District | Tucson | AZ |
| Amsterdam School District | Inactive | Public School District | Amsterdam | NY |
| Ancona School, The | Inactive | Private/Independent School | Chicago | IL |
| Anderson University | Inactive | College/University | Anderson | IN |
| Andover Public Schools | Inactive | Public School District | Andover | MA |
| Andover School of Montessori | Active | Private/Independent School | Andover | MA |
| Andrews Osborne Academy | Inactive | Private/Independent School | Willoughby | OH |
| Ann Arbor Academy | Inactive | Private/Independent School | Ann Arbor | MI |
| Anne Arundel County Public Schools | Inactive | Public School [Stand Alone] | Riva | MD |
| Annie Wright Schools | Inactive | Private/Independent School | Tacoma | WA |
| Annie Wright Schools | Inactive | Private/Independent School | Tacoma | WA |
| Annunciation Orthodox School | Inactive | Private/Independent School | Houston | TX |
| Antilles School | Inactive | Private/Independent School | St Thomas | II |
| Apple Orchard School | Inactive | Private/Independent School | Brookline | MA |
| AppleTree Early Learning Public Charter School | Inactive | Charter School | Washington | DC |
| AppleTree Institute for Education Innovation | Inactive | Charter School | Washington | DC |
| Applewild School | Inactive | Private/Independent School | Fitchburg | MA |
| Appoquinimink School District | Inactive | Public School District | Odessa | DE |
| Arbor School of Arts & Sciences | Inactive | Private/Independent School | Tualatin | OR |
| Archbishop Mitty High School | Inactive | Private/Independent School | San Jose | CA |
| Archer School for Girls, The | Active | Private/Independent School | Los Angeles | CA |
| Archmere Academy | Inactive | Private/Independent School | Claymont | DE |
| Ardsley Union Free School District | Inactive | Public School District | Ardsley | NY |
| Area Cooperative Educational Services | Inactive | Non-Profit Organization [Non School] | North Haven | CT |
| ARISE Schools | Inactive | Charter School | New Orleans | LA |
| Arizona State University | Inactive | College/University | Tempe | AZ |
| Arizona State University West | Inactive | College/University | Phoenix | AZ |
| Arkansas State University-Jonesboro | Inactive | College/University | Jonesboro | AR |
| Arlington Central School District | Inactive | Public School District | LaGrangeville | NY |
| Arlington Public Schools | Inactive | Public School District | Arlington | MA |
| Armstrong State University | Inactive | College/University | Savannah | GA |
| Army and Navy Academy | Inactive | Private/Independent School | Carlsbad | CA |
| Art of Problem Solving Initiative, The | Inactive | Non-Profit Organization [Non School] | New York | NY |
| Ascend Learning Charter Schools | Inactive | Public School District | Brooklyn | NY |
| Ashbrook Independent School | Inactive | Private/Independent School | Corvallis | OR |
| Asheville City Schools | Inactive | Public School District | Asheville | NC |
| Asheville School | Inactive | Private/Independent School | Asheville | NC |
| Aspen Academy | Inactive | Private/Independent School | Greenwood Village | CO |
| Aspen Leadership Group | Inactive | Business/Corporation | Denver | CO |
| ASPIRA, Inc. of Pennsylvania | Inactive | Charter School | Philadelphia | PA |
| Aspire Public Schools | Inactive | Charter School | Oakland | CA |
| Assabet Valley Regional Technical High School | Active | Public School District | Marlborough | MA |
| Association of Boarding Schools, The | Inactive | Non-Profit Organization [Non School] | Asheville | NC |
| Association of Independent Schools in New England | Inactive | Non-Profit Organization [Non School] | Braintree | MA |
| Athenian School | Active | Private/Independent School | Danville | CA |
| Athens Academy | Inactive | Private/Independent School | Athens | GA |
| Athens State University | Inactive | College/University | Athens | AL |
| Atlanta Girls' School | Inactive | Private/Independent School | Atlanta | GA |
| Atlanta International School | Active | Private/Independent School | Atlanta | GA |
| Atlanta Youth Academy | Inactive | Private/Independent School | Atlanta | GA |
| Atlantis Charter School | Inactive | Charter School | Fall River | MA |
| Atrium School | Active | Private/Independent School | Watertown | MA |
| Attleboro Public Schools | Inactive | Public School District | Attleboro | MA |
| Aucilla Christian Academy | Inactive | Private/Independent School | Monticello | FL |
| Augusta Preparatory Day School | Inactive | Private/Independent School | Augusta | GA |
| Austin Independent School District | Inactive | Public School District | Austin | TX |
| Austin Peace Academy | Inactive | Private/Independent School | Austin | TX |
| Austin Waldorf School | Inactive | Private/Independent School | Austin | TX |
| Aventura Community School | Inactive | Charter School | Nashville | TN |
| Avenues, The World School | Inactive | Private/Independent School | New York | NY |
| Avenues: The World School | Inactive | Private/Independent School | San Jose | CA |
| Avery Coonley School | Inactive | Private/Independent School | Downers Grove | IL |
| Avon Old Farms School | Active | Private/Independent School | Avon | CT |
| Awty International School, The | Active | Non-Profit Organization [Non School] | Houston | TX |
| Baker Demonstration School | Inactive | Private/Independent School | Wilmette | IL |
| Baker Demonstration School | Inactive | Private/Independent School | Wilmette | IL |
| Baldwin School, The | Inactive | Private/Independent School | Bryn Mawr | PA |
| Baltimore City Public Schools | Inactive | Public School District | Baltimore | MD |
| Baltimore Collegiate Academy | Inactive | Charter School | Baltimore | MD |
| Baltimore Collegiate School for Boys | Inactive | Charter School | Baltimore | MD |
| Baltimore Curriculum Project | Inactive | Other | Baltimore | MD |
| Bancroft School | Active | Private/Independent School | Worcester | MA |
| Bank Street College of Education | Inactive | College/University | New York | NY |
| Bank Street School for Children | Inactive | Private/Independent School | New York | NY |
| Barack Obama Green Charter High School, The | Inactive | Charter School | Plainfield | NJ |
| Bard High School Early Colleges | Inactive | Public School [Stand Alone] | Annandale-on-Hudson | NY |
| Barnesville School, The | Inactive | Private/Independent School | Barnesville | MD |
| Barrie School | Inactive | Private/Independent School | Silver Spring | MD |
| Barstow School, The | Inactive | Private/Independent School | Kansas City | MO |
| BASIS Independent Schools | Inactive | Private/Independent School | Scottsdale | AZ |
| Bastyr University | Inactive | College/University | Kenmore | WA |
| Bates College | Inactive | College/University | Lewiston | ME |
| Baton Rouge College Prep | Inactive | Charter School | Baton Rouge | LA |
| Battle Ground Academy | Inactive | Private/Independent School | Franklin | TN |
| Bay Area Teacher Development Collaborative | Inactive | Non-Profit Organization [Non School] | San Francisco | CA |
| Bay Area Video Coalition | Inactive | Non-Profit Organization [Non School] | San Francisco | CA |
| Bay Ridge Prep | Inactive | Private/Independent School | Brooklyn | NY |
| Bay School of San Francisco, The | Inactive | Private/Independent School | San Francisco | CA |
| Baylor School | Active | Private/Independent School | Chattanooga | TN |
| Baystate Academy Charter Public School | Inactive | Charter School | Springfield | MA |
| Beachwood City Schools | Active | Public School District | Beachwood | OH |
| Beacon Academy | Inactive | Private/Independent School | Boston | MA |
| Beacon Academy (Chicago) | Inactive | Private/Independent School | Evanston | IL |
| Beaumont School | Inactive | Private/Independent School | Cleveland Heights | OH |
| Beauvoir School | Inactive | Private/Independent School | Washington | DC |
| Beaver Country Day School | Active | Private/Independent School | Chestnut Hill | MA |
| Becoming Collegiate Academy, Inc. | Inactive | Charter School | Jacksonville | FL |
| Bedford Public Schools | Inactive | Public School District | Bedford | MA |
| Beekman Charter School | Inactive | Charter School | Bastrop | LA |
| Beginning with Children Foundation | Inactive | Non-Profit Organization [Non School] | New York | NY |
| Bellesini Academy | Inactive | Private/Independent School | Lawrence | MA |
| Bellevue College | Inactive | College/University | Bellevue | WA |
| Bellwether School | Inactive | Private/Independent School | Williston | VT |
| Belmont Charter Network | Inactive | Charter School | Philadelphia | PA |
| Belmont Day School | Active | Private/Independent School | Belmont | MA |
| Belmont Hill School | Inactive | Private/Independent School | Belmont | MA |
| Bement School, The | Inactive | Private/Independent School | Deerfield | MA |
| Benchmark School | Inactive | Private/Independent School | Media | PA |
| Benedictine Military School | Inactive | Private/Independent School | Savannah | GA |
| Benilde-St. Margaret's School | Inactive | Private/Independent School | Saint Louis Park | MN |
| Benjamin Banneker Charter Public School [MA] | Inactive | Charter School | Cambridge | MA |
| Benjamin Franklin Institute of Technology | Inactive | College/University | Boston | MA |
| Benjamin School, The | Inactive | Private/Independent School | North Palm Beach | FL |
| Bennett Day School | Inactive | Private/Independent School | Chicago | IL |
| Bentley School | Active | Private/Independent School | Lafayette | CA |
| Bentley University | Inactive | College/University | Waltham | MA |
| Berea College | Inactive | College/University | Berea | KY |
| Berkeley Carroll School | Inactive | Private/Independent School | Brooklyn | NY |
| Berkeley Hall School | Inactive | Private/Independent School | Los Angeles | CA |
| Berkeley Preparatory School | Inactive | Private/Independent School | Tampa | FL |
| Berklee College of Music, The Conservatory at Berklee | Inactive | College/University | Boston | MA |
| Berkshire Arts & Technology Charter Public School | Active | Charter School | Adams | MA |
| Berkshire School | Active | Private/Independent School | Sheffield | MA |
| Berkwood Hedge School | Inactive | Private/Independent School | Berkeley | CA |
| Bertschi School | Inactive | Private/Independent School | Seattle | WA |
| Berwick Academy | Active | Private/Independent School | South Berwick | ME |
| Bethany School | Inactive | Private/Independent School | Glendale | OH |
| Bethel School District | Inactive | Public School District | Eugene | OR |
| BETTERLESSON INC. | Inactive | Business/Corporation | CAMBRIDGE | MA |
| Beverly Public Schools and the City of Beverly | Inactive | Public School District | Beverly | MA |
| Binghamton City School District | Inactive | Public School District | Binghamton | NY |
| Biome, The | Inactive | Charter School | St. Louis | MO |
| Birch Wathen Lenox School, The | Inactive | Private/Independent School | New York | NY |
| Birches School | Active | Private/Independent School | Lincoln | MA |
| Bishop Blanchet High School | Inactive | Private/Independent School | Seattle | WA |
| Bishop Fenwick High School | Inactive | Private/Independent School | Peabody | MA |
| Bishop Garcia Diego High School | Inactive | Private/Independent School | Santa Barbara | CA |
| Bishop John T. Walker School for Boys | Inactive | Private/Independent School | Washington | DC |
| Bishop O'Dowd High School | Inactive | Private/Independent School | Oakland | CA |
| Bishop's School, The | Active | Private/Independent School | La Jolla | CA |
| Black EOE Journal Magazine | Inactive | Business/Corporation | Riverside | CA |
| Black Pine Circle School | Inactive | Private/Independent School | Berkeley | CA |
| Blackstone Academy Charter School | Inactive | Charter School | Pawtucket | RI |
| Blackstone Valley Prep Mayoral Academy | Inactive | Charter School | Cumberland | RI |
| Blair Academy | Inactive | Private/Independent School | Blairstown | NJ |
| Blair Academy | Inactive | Private/Independent School | Blairstown | NJ |
| Blake School, The | Active | Private/Independent School | Hopkins | MN |
| Bloomfield College | Inactive | Business/Corporation | Montclair | NJ |
| Blue Meridian | Inactive | Non-Profit Organization [Non School] | New York | NY |
| Blue Oak School | Inactive | Charter School | Napa | CA |
| Blue Ridge School | Inactive | Private/Independent School | St. George | VA |
| Blue School | Inactive | Private/Independent School | New York | NY |
| Blueprint Schools Network | Inactive | Non-Profit Organization [Non School] | Newton | MA |
| Bolles School, The | Inactive | Private/Independent School | Jacksonville | FL |
| Booker T. Washington Academy | Inactive | Charter School | New Haven | CT |
| Boonton Public Schools | Active | Public School District | Boonton | NJ |
| Bosque School | Inactive | Private/Independent School | Albuquerque | NM |
| Boston Arts Academy | Inactive | Public School [Stand Alone] | Boston | MA |
| Boston Children's Chorus | Inactive | Non-Profit Organization [Non School] | Boston | MA |
| Boston College | Inactive | College/University | Chestnut Hill | MA |
| Boston College High School | Active | Private/Independent School | Boston | MA |
| Boston Collegiate Charter School | Active | Charter School | Dorchester | MA |
| Boston Day & Evening Academy | Inactive | Charter School | Roxbury | MA |
| Boston Green Academy | Inactive | Charter School | Boston | MA |
| Boston Plan for Excellence | Inactive | Non-Profit Organization [Non School] | Boston | MA |
| Boston Preparatory Charter Public School | Active | Charter School | Hyde Park | MA |
| Boston Public Schools | Inactive | Public School District | Boston | MA |
| Boston Renaissance Charter School | Inactive | Charter School | Hyde Park | MA |
| Boston University | Inactive | College/University | Boston | MA |
| Boston University Academy | Inactive | Private/Independent School | Boston | MA |
| Boston University School of Education | Inactive | College/University | Boston | MA |
| Boulder Country Day School | Inactive | Private/Independent School | Boulder | CO |
| Bowdoin College | Inactive | Non-Profit Organization [Non School] | Brunswick | ME |
| Boys & Girls Club of Greenwich | Inactive | Non-Profit Organization [Non School] | Greenwich | CT |
| Boys’ Latin School of MD, The | Inactive | Private/Independent School | Baltimore | MD |
| BPE | Inactive | Non-Profit Organization [Non School] | Boston | MA |
| Branch School, The | Inactive | Private/Independent School | Houston | TX |
| Brandeis School of San Francisco, The | Inactive | Private/Independent School | San Francisco | CA |
| Brandeis University Library | Inactive | College/University | Waltham | MA |
| Branson | Inactive | Private/Independent School | Berkeley | CA |
| Branson School | Inactive | Private/Independent School | Ross | CA |
| Brass City Charter School | Inactive | Charter School | Waterbury | CT |
| Breakthrough Greater Boston | Inactive | Non-Profit Organization [Non School] | Cambridge | MA |
| Breakthrough Public Schools | Inactive | Charter School | Cleveland | OH |
| Breakwater School | Inactive | Private/Independent School | Portland | ME |
| Brearley School, The | Active | Private/Independent School | New York | NY |
| Brebeuf Jesuit Preparatory School | Inactive | Private/Independent School | Indianapolis | IN |
| Breck School | Active | Private/Independent School | Minneapolis | MN |
| Breckinridge Capital Advisors | Inactive | Business/Corporation | Boston | MA |
| Brentwood Academy | Inactive | Private/Independent School | Brentwood | TN |
| Brentwood School | Active | Private/Independent School | Los Angeles | CA |
| Brevard Public Schools | Inactive | Public School District | Viera | FL |
| Brewster Academy | Inactive | Private/Independent School | Wolfeboro | NH |
| BRICK Education Network | Inactive | Charter School | Newark | NJ |
| Brickton Montessori School | Inactive | Private/Independent School | Chicago | IL |
| Bridge Boston Charter School | Inactive | Charter School | Roxbury | MA |
| Bridge to Enter Advanced Mathematics (BEAM) | Inactive | Non-Profit Organization [Non School] | New York | NY |
| Bridges Baltimore | Inactive | Non-Profit Organization [Non School] | Baltimore | MD |
| Bridgewater-Raynham Regional School District | Inactive | Public School District | Bridgewater | MA |
| Bright Horizons Family Solutions | Inactive | | Watertown | MA |
| Bright Water School | Inactive | Private/Independent School | Seattle | WA |
| Brighton Central School District | Inactive | Public School District | Rochester | NY |
| Brightworks | Active | Private/Independent School | San Francisco | CA |
| Brimmer and May | Inactive | Private/Independent School | Chestnut Hill | MA |
| Brockport Central School District | Inactive | Public School District | Brockport | NY |
| Brockton Public Schools | Inactive | Public School District | Brockton | MA |
| Bronx Academy of Letters | Inactive | Public School [Stand Alone] | Bronx | NY |
| Bronx Charter School for Better Learning, The | Inactive | Charter School | Bronx | NY |
| Bronx Community Charter School | Inactive | Charter School | Bronx | NY |
| Bronx Lab School | Inactive | Public School [Stand Alone] | Bronx | NY |
| Brooke Charter Schools | Inactive | Charter School | Boston | MA |
| Brookfield Public Schools | Inactive | Public School District | Brookfield | CT |
| Brookline Public Schools | Inactive | Public School District | Brookline | MA |
| Brooklyn Friends School | Inactive | Private/Independent School | Brooklyn | NY |
| Brooklyn International High School | Inactive | Public School [Stand Alone] | Brooklyn | NY |
| Brooklyn Latin School, The | Inactive | Public School [Stand Alone] | Brooklyn | NY |
| Brooks School | Inactive | Private/Independent School | North Andover | MA |
| Brookstone School | Inactive | Private/Independent School | Columbus | GA |
| Brookwood School | Inactive | Private/Independent School | Manchester | MA |
| Brophy College Preparatory | Inactive | Private/Independent School | Phoenix | AZ |
| Brown School at Washington University in St. Louis | Inactive | College/University | Saint Louis | MO |
| Brown University | Inactive | College/University | Providence | RI |
| Brown University Pre-College Programs | Inactive | College/University | Providence | RI |
| Browne Academy | Inactive | Private/Independent School | Alexandria | VA |
| Browning School, The | Inactive | Private/Independent School | New York | NY |
| Brunswick School | Active | Private/Independent School | Greenwich | CT |
| Bryn Mawr College Dance Program | Inactive | College/University | Bryn Mawr | PA |
| Bryn Mawr School | Inactive | Private/Independent School | Baltimore | MD |
| BSCS | Inactive | Non-Profit Organization [Non School] | Colorado Springs | CO |
| Buckingham Browne & Nichols School | Active | Private/Independent School | Cambridge | MA |
| Buckingham Friends School | Inactive | Private/Independent School | Lahaska | PA |
| Buckley Country Day School | Inactive | Private/Independent School | Roslyn | NY |
| Buckley School, The | Active | Private/Independent School | Sherman Oaks | CA |
| Buckley School, The [NYC] | Active | Private/Independent School | New York | NY |
| Buffalo Collegiate Charter School | Inactive | Charter School | Buffalo | NY |
| BUILD | Inactive | Non-Profit Organization [Non School] | Redwood City | CA |
| Building 21 | Inactive | Public School District | Philadelphia | PA |
| Building Educated Leaders for Life | Inactive | Non-Profit Organization [Non School] | New York | NY |
| Bullis School | Inactive | Private/Independent School | Potomac | MD |
| Bulloch County Schools | Inactive | Public School District | Statesboro | GA |
| Burgundy Farm Country Day School | Active | Private/Independent School | Alexandria | VA |
| Burlington Public Schools | Inactive | Public School District | Burlington | MA |
| Burlington School District | Active | Public School District | Burlington | VT |
| Burr and Burton Academy | Inactive | Private/Independent School | Manchester | VT |
| Bush School, The | Active | Private/Independent School | Seattle | WA |
| Caedmon School, The | Inactive | Private/Independent School | New York | NY |
| CAIS | Inactive | Non-Profit Organization [Non School] | Jordan | II |
| Cal Poly | Inactive | College/University | San Luis Obispo | CA |
| Calhoun School | Inactive | Private/Independent School | New York | NY |
| California Chess School | Inactive | Business/Corporation | San Jose | CA |
| California State University Northridge | Inactive | College/University | Northridge | CA |
| California State University, East Bay | Inactive | College/University | Hayward | CA |
| California State University, Northridge | Inactive | College/University | Northridge | CA |
| California Teacher Development Collaborative | Inactive | Non-Profit Organization [Non School] | San Francisco | CA |
| Calumet Middle School | Inactive | Charter School | Chicago | IL |
| Calvary Day School | Inactive | Private/Independent School | Savannah | GA |
| Calvert County Public Schools | Inactive | Public School District | Prince Frederick | MD |
| Calvert School | Inactive | Private/Independent School | Baltimore | MD |
| CalWest Educators Placement | Inactive | Business/Corporation | Encino | CA |
| Cambridge Friends School | Inactive | Private/Independent School | Cambridge | MA |
| Cambridge Housing Authority | Inactive | Non-Profit Organization [Non School] | Cambridge | MA |
| Cambridge Public Schools | Inactive | Public School District | Cambridge | MA |
| Cambridge School of Weston | Active | Private/Independent School | Weston | MA |
| Cambridge-Ellis School | Inactive | Private/Independent School | Cambridge | MA |
| Cambridgeport Childrens Center | Inactive | Non-Profit Organization [Non School] | Cambridge | MA |
| Camden City School District | Inactive | Public School District | Camden | NJ |
| Camp Washington, Inc. | Inactive | Non-Profit Organization [Non School] | Lakeside | CT |
| Campbell Hall | Inactive | Private/Independent School | Studio City | CA |
| Campus Child Care, Inc. | Inactive | Other | Cambridge | MA |
| Campus School of Smith College | Inactive | Private/Independent School | Northampton | MA |
| Cannon School | Inactive | Private/Independent School | Concord | NC |
| Canterbury School | Active | Private/Independent School | New Milford | CT |
| Canterbury School [NC] | Inactive | Private/Independent School | GREENSBORO | NC |
| Canton Public Schools | Inactive | Public School District | Canton | MA |
| Cape Fear Academy | Active | Private/Independent School | WILMINGTON | NC |
| Cape Henlopen School District | Inactive | Public School District | Lewes | DE |
| Cape Henry Collegiate | Inactive | Private/Independent School | Virginia Beach | VA |
| Capella University | Inactive | College/University | Minneapolis | MN |
| Capital City Public Charter School | Active | Charter School | Washington | DC |
| Capital Preparatory School | Inactive | Charter School | Bridgeport | CT |
| Capitol Hill Day School | Inactive | Private/Independent School | Washington | DC |
| Capitol Region Education Council | Inactive | Other | Hartford | CT |
| Cardigan Mountain School | Active | Private/Independent School | Canaan | NH |
| Cardinal Newman School | Inactive | Private/Independent School | Columbia | SC |
| Care Coding Training Center | Inactive | Business/Corporation | Hampton | GA |
| Carey School, The | Inactive | Private/Independent School | San Mateo | CA |
| Carlisle Public Schools | Inactive | Public School District | CARLISLE | MA |
| Carlthorp School | Inactive | Private/Independent School | Santa Monica | CA |
| Carolina Day School | Inactive | Private/Independent School | Asheville | NC |
| Carolina Friends School | Inactive | Private/Independent School | Durham | NC |
| Carolina International School | Inactive | Charter School | Concord | NC |
| Carroll School, The | Inactive | Private/Independent School | Lincoln | MA |
| Carrollton School of the Sacred Heart | Inactive | Private/Independent School | Miami | FL |
| Carthage College | Inactive | College/University | Kenosha | WI |
| Cary Academy | Inactive | Private/Independent School | Cary | NC |
| Casady School | Active | Private/Independent School | Oklahoma City | OK |
| Cascades Academy | Inactive | Private/Independent School | Bend | OR |
| CAST | Inactive | Other | Wakefield | MA |
| Castilleja School | Inactive | Private/Independent School | Palo Alto | CA |
| Cate School | Inactive | Private/Independent School | Carpinteria | CA |
| Cathedral High School | Inactive | Private/Independent School | Boston | MA |
| Cathedral High School [IN] | Inactive | Private/Independent School | Indianapolis | IN |
| Cathedral School for Boys | Inactive | Private/Independent School | San Francisco | CA |
| Cathedral School of St. John the Divine, The | Inactive | Private/Independent School | New York | NY |
| Catherine Cook School | Inactive | Private/Independent School | Chicago | IL |
| Catherine Hershey Schools for Early Learning | Inactive | Private/Independent School | Hershey | PA |
| Catholic Charities | Inactive | Non-Profit Organization [Non School] | Somerville | MA |
| Catlin Gabel School | Active | Private/Independent School | Portland | OR |
| CATS Academy Boston | Inactive | Private/Independent School | Braintree | MA |
| CCIS Cleveland Coun. of Independ. Sch | Inactive | Business/Corporation | Chargrin Falls | OH |
| Cedar Rapids Community School | Inactive | Public School [Stand Alone] | Cedar Rapids | IA |
| Cedar River Montessori School | Inactive | Private/Independent School | Renton | WA |
| Centennial Academy | Inactive | Charter School | Atlanta | GA |
| Center City Public Charter Schools | Inactive | Charter School | Washington | DC |
| Center for Black Educator Development, The | Inactive | Non-Profit Organization [Non School] | Elkins Park | PA |
| Center for Collaborative Education | Inactive | Non-Profit Organization [Non School] | Boston | MA |
| Center For Early Education, The | Inactive | Private/Independent School | West Hollywood | CA |
| Center for Inspired Teaching | Inactive | Non-Profit Organization [Non School] | Washington | DC |
| Center School, The | Inactive | Private/Independent School | Greenfield | MA |
| Central Bucks School District | Inactive | Public School District | Doylestown | PA |
| Central Catholic High School | Inactive | Private/Independent School | Lawrence | MA |
| Central Jersey College Prep Charter School | Active | Charter School | Somerset | NJ |
| Century College | Inactive | College/University | White Bear Lake | MN |
| Cesar Chavez Public Charter Schools | Inactive | Charter School | Washington | DC |
| Chadwick School | Active | Private/Independent School | Palos Verdes Peninsula | CA |
| Challenge Success | Inactive | Non-Profit Organization [Non School] | Stanford | CA |
| Champlain Valley School District | Inactive | Public School District | Shelburne | VT |
| Chandler School | Active | Private/Independent School | Pasadena | CA |
| Chapel Hill-Chauncy Hall School | Inactive | Private/Independent School | Waltham | MA |
| Chapel School, The | Active | Private/Independent School | Bronxville | NY |
| Chapin School [NJ] | Inactive | Private/Independent School | Princeton | NJ |
| Chapin School [NY] | Active | Private/Independent School | New York | NY |
| Chappaqua Central School District | Active | Public School District | Chappaqua | NY |
| Charles Armstrong School | Active | Private/Independent School | Belmont | CA |
| Charles County Public Schools | Inactive | Public School District | La Plata | MD |
| Charles E. Smith Jewish Day School | Inactive | Private/Independent School | Rockville | MD |
| Charles River School | Active | Private/Independent School | Dover | MA |
| Charles Wright Academy | Inactive | Private/Independent School | Tacoma | WA |
| Charleston Collegiate School | Inactive | Private/Independent School | John's Island | SC |
| Charleston Day School | Inactive | Private/Independent School | Charleston | SC |
| Charlotte Christian School | Active | Private/Independent School | Charlotte | NC |
| Charlotte Country Day School | Inactive | Private/Independent School | Charlotte | NC |
| Charlotte Lab School | Inactive | Charter School | Charlotte | NC |
| Charlotte Latin School | Inactive | Private/Independent School | Charlotte | NC |
| Charlotte Preparatory School | Inactive | Private/Independent School | Charlotte | NC |
| Charlottesville City Schools | Inactive | Public School [Stand Alone] | Charlottesville | VA |
| Charlottesville Day School | Inactive | Private/Independent School | Charlottesville | VA |
| Charter School of Educational Excellence | Inactive | Charter School | Yonkers | NY |
| Charter School of Wilmington, The | Inactive | Charter School | Wilmington | DE |
| Charter Schools USA | Inactive | Non-Profit Organization [Non School] | Fort Lauderdale | FL |
| Chase Collegiate School | Inactive | Private/Independent School | Waterbury | CT |
| Chatham Day School | Inactive | Private/Independent School | Chatham | NJ |
| Chatham Hall | Inactive | Private/Independent School | Chatham | VA |
| Chattahoochee Hills Charter School | Inactive | Charter School | Fairburn | GA |
| Chattanooga State Community College | Inactive | College/University | Chattanooga | TN |
| Chavez Schools | Inactive | Charter School | Washington | DC |
| Chelsea Public Schools | Inactive | Program [Summer/Seasonal] | Chelsea | MA |
| Cherry Hill Public Schools | Inactive | Public School District | Cherry Hill | NJ |
| Chesapeake Academy | Inactive | Private/Independent School | Arnold | MD |
| Chesapeake College | Inactive | College/University | Wye Mills | MD |
| Cheshire Academy | Active | Private/Independent School | Cheshire | CT |
| Chester Community Charter School | Inactive | Charter School | Chester | PA |
| Chesterfield Montessori School | Inactive | Private/Independent School | Chesterfield | MO |
| Chestnut Hill School | Active | Private/Independent School | Chestnut Hill | MA |
| Chewonki Foundation | Inactive | Private/Independent School | Wiscasset | ME |
| Chiaravalle Montessori School | Inactive | Private/Independent School | Evanston | IL |
| Chicago Collegiate Charter School | Inactive | Charter School | Chicago | IL |
| Chicago HS for the Arts, The | Inactive | Public School [Stand Alone] | CHICAGO | IL |
| Chicago Public Schools | Inactive | Public School District | Chicago | IL |
| Childcare Network | Inactive | Other | Locust Grove | GA |
| ChildCareGroup | Inactive | Non-Profit Organization [Non School] | Dallas | TX |
| Children's Community School of West Philadelphia | Inactive | Private/Independent School | Philadelphia | PA |
| Children's Day School | Inactive | Private/Independent School | San Francisco | CA |
| Children's Guild.Inc., The | Inactive | Non-Profit Organization [Non School] | Baltimore | MD |
| Children's School, The [LaJolla] | Inactive | Private/Independent School | La Jolla | CA |
| Children's Trust, The | Inactive | Non-Profit Organization [Non School] | Boston | MA |
| Childrens School, The | Inactive | Non-Profit Organization [Non School] | Stamford | CT |
| Childrens Storefront | Inactive | Private/Independent School | New York | NY |
| Chinese American International School | Inactive | Private/Independent School | San Francisco | CA |
| Chinquapin Preparatory School | Active | Private/Independent School | Highlands | TX |
| Choate Rosemary Hall | Active | Private/Independent School | Wallingford | CT |
| Christ Presbyterian Academy | Inactive | Private/Independent School | Nashville | TN |
| Christa McAuliffe Charter School | Inactive | Charter School | Framingham | MA |
| Christchurch School | Inactive | Private/Independent School | Christchurch | VA |
| Christian Brothers High School | Inactive | Private/Independent School | Sacramento | CA |
| Christian Heritage Academy | Inactive | Private/Independent School | Brooklyn | NY |
| Christian Heritage School | Inactive | Private/Independent School | Trumbull | CT |
| Christina Seix Academy | Active | Private/Independent School | Trenton | NJ |
| Christopher House | Inactive | Non-Profit Organization [Non School] | Chicago | IL |
| Church Divinity School of the Pacific | Inactive | College/University | Berkeley | CA |
| Church Farm School | Inactive | Private/Independent School | Exton | PA |
| Church Hill Activities and Tutoring | Active | Non-Profit Organization [Non School] | Richmond | VA |
| Churchill School and Center, The | Inactive | Private/Independent School | New York | NY |
| Cincinnati Country Day School | Inactive | Private/Independent School | Cincinnati | OH |
| Cincinnati Hills Christian Academy | Inactive | Private/Independent School | Cincinnati | OH |
| Circle of Seasons Charter School | Inactive | Charter School | Fogelsville | PA |
| Citizen Schools | Inactive | Charter School | Boston | MA |
| City and Country School | Inactive | Private/Independent School | New York | NY |
| City Neighbors Foundation | Inactive | Charter School | Baltimore | MD |
| City of Cambridge | Active | Public School [Stand Alone] | Cambridge | MA |
| City of Red Bank | Inactive | Non-Profit Organization [Non School] | Red Bank | TN |
| City of Santa Maria Recreation & Parks Department | Inactive | Non-Profit Organization [Non School] | Arroyo Grande | CA |
| City of Seattle | Inactive | Business/Corporation | Seattle | WA |
| City on a Hill Charter Public Schools | Inactive | Charter School | Jamaica Plain | MA |
| City School District of Albany | Inactive | Public School District | Albany | NY |
| City School District of Albany | Inactive | Public School District | Albany | NY |
| City School of the Arts | Inactive | Charter School | New York | NY |
| City University of Seattle | Inactive | College/University | Bellevue | WA |
| CitySprouts | Inactive | Non-Profit Organization [Non School] | Cambridge | MA |
| CitySquash | Inactive | Non-Profit Organization [Non School] | Bronx | NY |
| Claremont McKenna College | Inactive | College/University | Claremont | CA |
| Claremont Unified School District | Active | Public School District | CLAREMONT | CA |
| Clark County School District | Inactive | Public School District | Las Vegas | NV |
| Clarke County School District | Inactive | Public School District | Athens | GA |
| Clarkstown Central School District | Inactive | Public School District | New City | NY |
| Cleveland Institute of Music | Inactive | College/University | Cleveland | OH |
| Cleveland Metropolitan School District | Inactive | Public School District | Cleveland | OH |
| Cliff Valley School | Inactive | Private/Independent School | Atlanta | GA |
| Co-Op School, The | Inactive | Private/Independent School | Brooklyn | NY |
| Coatesville Area School District | Inactive | Public School [Stand Alone] | Coatesville | PA |
| Cockrell School of Engineering | Inactive | College/University | Austin | TX |
| Codman Academy Charter Public School | Inactive | Charter School | Dorchester | MA |
| Colby College | Inactive | College/University | Waterville | ME |
| Cold Spring School | Inactive | Private/Independent School | New Haven | CT |
| Collaborative for Ed. Services | Inactive | Other | Northampton | MA |
| College Bound Dorchester | Inactive | Private/Independent School | Dorchester | MA |
| College of Charleston | Inactive | College/University | Charleston | SC |
| College of Engineering and Applied Science | Inactive | College/University | Cincinnati | OH |
| College of St Benedict | Inactive | College/University | St Joseph | MN |
| College Preparatory School | Inactive | Private/Independent School | Oakland | CA |
| College School, The | Inactive | Private/Independent School | St. Louis | MO |
| Collegiate Academies [New Orleans] | Inactive | Charter School | New Orleans | LA |
| Collegiate School [NY] | Inactive | Private/Independent School | New York | NY |
| Collegiate School [VA] | Active | Private/Independent School | Richmond | VA |
| Colorado Academy | Active | Private/Independent School | Denver | CO |
| Colorado Rocky Mountain School | Inactive | Private/Independent School | Carbondale | CO |
| Colorado Virtual Academy | Inactive | Charter School | Thornton | CO |
| Columbia College Chicago | Inactive | College/University | Chicago, | IL |
| Columbia Grammar and Preparatory School | Active | Private/Independent School | NY | NY |
| Columbia University | Inactive | College/University | New York | NY |
| Columbus Academy | Active | Private/Independent School | Columbus | OH |
| Columbus School for Girls | Active | Private/Independent School | Columbus | OH |
| Common School, The | Inactive | Private/Independent School | Amherst | MA |
| Commonwealth Academy | Inactive | Private/Independent School | Alexandria | VA |
| Commonwealth Corporation | Inactive | Non-Profit Organization [Non School] | Boston | MA |
| Commonwealth School | Inactive | Private/Independent School | Boston | MA |
| Communities That Care Coalition | Inactive | Other | Greenfield | MA |
| Community Academy Public Charter School | Inactive | Charter School | Washington | DC |
| Community Charter School of Cambridge | Active | Charter School | Cambridge | MA |
| Community Charter School of Paterson | Inactive | Charter School | Paterson | NJ |
| Community Christian School | Inactive | Private/Independent School | Stockbridge | GA |
| Community Council Education Services | Inactive | Non-Profit Organization [Non School] | Philadelphia | PA |
| Community Day Charter Public School | Inactive | Public School District | Lawrence | MA |
| Community Day School | Inactive | Private/Independent School | Pittsburgh | PA |
| Community Group, The | Inactive | Charter School | Lawrence | MA |
| Community Health Connections | Inactive | Non-Profit Organization [Non School] | Fitchburg | MA |
| Community High School | Inactive | Private/Independent School | Roanoke | VA |
| Community Learning Center | Inactive | Non-Profit Organization [Non School] | Philadelphia | PA |
| Community Partnership Charter School | Inactive | Charter School | Brooklyn | NY |
| Community Partnership School | Inactive | Private/Independent School | Philadelphia | PA |
| Community Preparatory School | Inactive | Private/Independent School | Providence | RI |
| Community School | Active | Private/Independent School | Saint Louis | MO |
| Community School [VA] | Inactive | Private/Independent School | Roanoke | VA |
| Community School of Naples | Inactive | Private/Independent School | Naples | FL |
| Concord Academy | Active | Private/Independent School | Concord | MA |
| Concord Academy HR | Inactive | Private/Independent School | Concord | MA |
| Concord Public Schools & Concord-Carlisle Regional School District | Active | Public School District | Concord | MA |
| Coney Island Prep | Inactive | Charter School | Brooklyn | NY |
| Confluence Academy Charter Schools | Inactive | Charter School | ST. Louis | MO |
| Congressional School | Inactive | Private/Independent School | Falls Church | VA |
| Connelly School of the Holy Child | Inactive | Private/Independent School | Potomac | MD |
| Conservatory Lab Charter School | Inactive | Charter School | Dorchester | MA |
| Convent of the Sacred Heart [NYC] | Active | Private/Independent School | New York | NY |
| Cooper Hewitt | Inactive | Non-Profit Organization [Non School] | New York City | NY |
| Cooper School, The | Inactive | Private/Independent School | Charleston | SC |
| Corlears School | Inactive | Private/Independent School | New York | NY |
| Cornelia Connelly Center | Inactive | Private/Independent School | NY | NY |
| Cornelia Connelly Center- Connelly Middle School | Inactive | Private/Independent School | New York | NY |
| Cotting School | Inactive | Private/Independent School | Lexington | MA |
| Council for a Strong America | Inactive | Non-Profit Organization [Non School] | Washington | DC |
| Country School, The | Inactive | Private/Independent School | Madison | CT |
| Country School, The [CA] | Inactive | Private/Independent School | Valley Village | CA |
| Country School, The [MD] | Inactive | Private/Independent School | Easton | MD |
| Countryside Montessori School | Inactive | Private/Independent School | northbrook | IL |
| Courage Schools, Inc. | Inactive | Private/Independent School | Sandy Springs | GA |
| Covenant Preparatory School | Inactive | Private/Independent School | Hartford | CT |
| Cranbrook Schools | Active | Private/Independent School | Bloomfield Hills | MI |
| Crane Country Day School | Inactive | Private/Independent School | Santa Barbara | CA |
| Craven County Schools | Inactive | Public School District | New Bern | NC |
| Creative Associates International | Inactive | Business/Corporation | USA | MD |
| Creative Media Agency LLC | Inactive | Business/Corporation | Mineola | NY |
| Crefeld School, The | Inactive | Private/Independent School | Philadelphia | PA |
| Crescent City Schools | Inactive | Charter School | New Orleans | LA |
| CREST Collaborative | Active | Public School District | ANDOVER | MA |
| Cristo Rey Baton Rouge Franciscan High School | Inactive | Private/Independent School | Baton Rouge | LA |
| Cristo Rey Brooklyn High School | Inactive | Private/Independent School | Brooklyn | NY |
| Cristo Rey Columbus High School | Inactive | Private/Independent School | Columbus | OH |
| Cristo Rey De La Salle East Bay High School | Inactive | Private/Independent School | Oakland | CA |
| Cristo Rey Jesuit High School | Inactive | Private/Independent School | Chicago | IL |
| Cristo Rey Jesuit High School Milwaukee | Inactive | Private/Independent School | Milwaukee | WI |
| Cristo Rey Jesuit High School-Twin Cities | Inactive | Private/Independent School | Minneapolis | MN |
| Cristo Rey Jesuit Seattle | Inactive | Private/Independent School | Seattle | WA |
| Cristo Rey Network | Inactive | Non-Profit Organization [Non School] | Chicago | IL |
| Cristo Rey NY | Inactive | Private/Independent School | New York | NY |
| Cristo Rey Orange County High School | Inactive | Private/Independent School | Santa Ana | CA |
| Cristo Rey Philadelphia High School | Inactive | Private/Independent School | Philadelphia | PA |
| Cristo Rey Richmond High School | Inactive | Private/Independent School | Richmond | VA |
| Cristo Rey San Diego High School | Inactive | Private/Independent School | San Diego | CA |
| Cristo Rey San Jose Jesuit High School | Inactive | Private/Independent School | San Jose | CA |
| Cristo Rey St. Viator | Inactive | Private/Independent School | N. Las Vegas | NV |
| Croft School, The | Inactive | Private/Independent School | Boston | MA |
| Croft School,The [Providence] | Inactive | Private/Independent School | Providence | RI |
| Crohn's & Colitis Foundation | Inactive | Non-Profit Organization [Non School] | NY | NY |
| Crossroads Charter Schools | Inactive | Charter School | Kansas City | MO |
| Crossroads For Kids, Inc | Inactive | Non-Profit Organization [Non School] | Duxbury | MA |
| Crossroads School | Inactive | | Baltimore | MD |
| Crossroads School for the Arts & Sciences [CA] | Active | Private/Independent School | Santa Monica | CA |
| Crystal Springs Uplands School | Active | Private/Independent School | Hillsborough | CA |
| CSU East Bay - Health Sciences | Inactive | College/University | Hayward | CA |
| Culver Academies | Inactive | Private/Independent School | Culver | IN |
| Cumberland County Board of Vocational Education | Inactive | Public School District | Vineland | NJ |
| CUNY School of Labor and Urban Studies | Inactive | College/University | New York | NY |
| Curriculum Associates | Inactive | Business/Corporation | North Billerica | MA |
| Curry College | Inactive | College/University | Milton | MA |
| Curtis School Foundation | Inactive | Private/Independent School | Los Angeles | CA |
| Cushing Academy | Active | Private/Independent School | Ashburnham | MA |
| Cuyahoga Valley Christian Academy | Inactive | Private/Independent School | Cuyahoga Falls | OH |
| Cypress Hills Child Care | Inactive | Non-Profit Organization [Non School] | Brooklyn | NY |
| Dallas County Community College District | Inactive | College/University | Dallas | TX |
| Dallas Independent School District | Inactive | Public School [Stand Alone] | Dallas | TX |
| Dalton School, The | Active | Private/Independent School | New York | NY |
| Dana Hall School | Active | Private/Independent School | Wellesley | MA |
| Dana-Farber Cancer Institute | Inactive | Non-Profit Organization [Non School] | Boston | MA |
| Darlington School | Inactive | Private/Independent School | Rome | GA |
| Darrow School | Inactive | Private/Independent School | New Lebanon | NY |
| Dartmouth College | Inactive | College/University | Hanover | NH |
| Davidson Day School | Inactive | Private/Independent School | Davidson | NC |
| DC Prep | Inactive | Charter School | Washington | DC |
| DC Public Schools | Inactive | Public School District | Washington | DC |
| DC Scholars Community Schools | Inactive | Charter School | Washington | DC |
| De La Salle Academy | Inactive | Private/Independent School | New York | NY |
| De La Salle High School | Inactive | Private/Independent School | Concord | CA |
| de Paul School, The | Inactive | Private/Independent School | Louisville | KY |
| de Toledo High School | Inactive | Private/Independent School | West Hills | CA |
| Decatur Public Schools | Inactive | Public School District | Decatur | IL |
| Dedham Country Day School | Inactive | Private/Independent School | Dedham | MA |
| Dedham Public Schools | Inactive | Public School District | Dedham | MA |
| Deerfield Academy | Active | Private/Independent School | Deerfield | MA |
| Defense Intelligence Agency | Inactive | Business/Corporation | DC | DC |
| Del Mar Pines School | Inactive | Private/Independent School | San Diego | CA |
| Del Ray Montessori School, The | Inactive | Private/Independent School | Alexandria | VA |
| Delaware College Scholars | Inactive | Program [Summer/Seasonal] | Wilmington | DE |
| Delaware County Christian School | Inactive | Private/Independent School | Newtown Square | PA |
| Delaware State University | Inactive | College/University | Dover | DE |
| Delaware Valley Friends School | Active | Private/Independent School | Paoli | PA |
| Delbarton School | Active | Private/Independent School | Morristown | NJ |
| Democracy Prep Public Schools | Inactive | Charter School | New York | NY |
| Dennis-Yarmouth Regional School District | Inactive | Public School [Stand Alone] | South Yarmouth | MA |
| Denver Academy | Inactive | Private/Independent School | Denver | CO |
| Denver Green School | Inactive | Public School [Stand Alone] | Denver | CO |
| Denver Public Schools - OSRI | Inactive | Public School District | Denver | CO |
| Denver Public Schools-Denver Math Fellows | Inactive | Non-Profit Organization [Non School] | Denver | CO |
| DePaul College Prep High School | Inactive | Private/Independent School | Chicago | IL |
| Derby Academy | Active | Private/Independent School | Hingham | MA |
| Derryfield School, The | Active | Private/Independent School | Manchester | NH |
| Desert Research Institute | Inactive | College/University | Reno | NV |
| Detroit Country Day School | Active | Private/Independent School | Beverly Hills | MI |
| Dexter Southfield School | Active | Private/Independent School | Brookline | MA |
| Dilcon School | Inactive | Public School [Stand Alone] | Winslow | AZ |
| District of Columbia International School | Inactive | Charter School | Washington | DC |
| Doane Academy | Inactive | Private/Independent School | Burlington | NJ |
| Doane Stuart School | Inactive | Private/Independent School | Rensselaer | NY |
| Dominican University New York | Inactive | College/University | Orangeburg | NY |
| Dominion Academy | Inactive | Private/Independent School | Richmond | VA |
| Double Rainbow Ice Cream | Inactive | Business/Corporation | Emeryville | CA |
| Dover Sherborn Public Schools | Inactive | Public School District | Dover | MA |
| Drew School | Active | Private/Independent School | San Francisco | CA |
| Drexel University | Inactive | College/University | Philadelphia | PA |
| DSST Public Schools | Inactive | Charter School | Denver | CO |
| Dublin City Schools | Active | Public School District | Dublin | OH |
| Dublin School | Inactive | Private/Independent School | Dublin | NH |
| Duchesne Academy | Inactive | Private/Independent School | Houston | TX |
| Duke School | Inactive | Private/Independent School | Durham | NC |
| Dunn School | Inactive | Private/Independent School | Los Olivos | CA |
| Durham Academy | Inactive | Private/Independent School | Durham | NC |
| Durham Nativity School | Inactive | Private/Independent School | Durham | NC |
| Durham Public Schools | Inactive | Public School District | Durham | NC |
| Duval County Public Schools | Inactive | Public School District | Jacksonville | FL |
| Dwight Englewood School | Inactive | Private/Independent School | Engelwood | NJ |
| Dwight School | Inactive | Private/Independent School | New York | NY |
| E.L. Haynes Public Charter School | Inactive | Charter School | Washington D.C. | DC |
| Eagle Hill School | Inactive | Private/Independent School | Hardwick | MA |
| Eagle Hill School [CT] | Inactive | Private/Independent School | Greenwich | CT |
| Eagle Rock School | Inactive | Private/Independent School | Estes Park | CO |
| Eaglebrook School | Active | Private/Independent School | Deerfield | MA |
| Earl Monroe New Renaissance Basketball Academy, The | Inactive | Charter School | Bronx | NY |
| Early College Alliance @ EMU | Inactive | Public School [Stand Alone] | Ypsilanti | MI |
| East Bay School for Boys | Inactive | Private/Independent School | Berkeley | CA |
| East End Prep | Inactive | Charter School | Nashville | TN |
| East Lansing Public Schools | Inactive | Public School District | East Lansing | MI |
| East Longmeadow Public Schools | Inactive | Public School District | East Longmeadow | MA |
| East Orange School District | Inactive | Public School [Stand Alone] | East Orange | NJ |
| East Prairie School District 73 | Inactive | Public School District | Skokie | IL |
| East Stroudsburg University | Inactive | College/University | East Stroudsburg | PA |
| Eastern Suffolk BOCES | Inactive | Public School District | Patchogue | NY |
| Eastside Catholic School | Inactive | Private/Independent School | Sammamish | WA |
| Eastside College Preparatory School | Inactive | Private/Independent School | East Palo Alto | CA |
| Eastside Preparatory School | Active | Private/Independent School | Kirkland | WA |
| ECO Charter School | Inactive | Charter School | Camden | NJ |
| Ecole Bilingue de Berkeley | Inactive | Private/Independent School | Berkeley | CA |
| EdJobsNW/Educational Service District 113 | Inactive | Other | Tumwater | WA |
| Edmund Burke School | Inactive | Private/Independent School | Washington | DC |
| Ednovate Charter Schools | Inactive | Charter School | Los Angeles | CA |
| Education Collaborative of WNY | Inactive | Non-Profit Organization [Non School] | Buffalo | NY |
| Education Elements | Inactive | Public School District | San Carlos | CA |
| Educators for Excellence | Inactive | Non-Profit Organization [Non School] | Boston | MA |
| Edward W. Brooke Charter School | Inactive | Charter School | Roslindale | MA |
| EF Academy | Inactive | Private/Independent School | Thornwood | NY |
| El Centro-Youth Education Program | Inactive | Non-Profit Organization [Non School] | Dorchester | MA |
| EL Education | Inactive | Non-Profit Organization [Non School] | New York | NY |
| Elgin Community College | Inactive | College/University | Elgin | IL |
| Eliot School | Inactive | Public School [Stand Alone] | Boston | MA |
| Elisabeth Morrow School, The | Inactive | Private/Independent School | Englewood | NJ |
| Elizabeth Clune Montessori School of Ithaca | Active | Private/Independent School | Ithaca | NY |
| Elizabeth Public Schools | Inactive | Public School District | Elizabeth | NJ |
| Elizabeth Seton High School | Inactive | Private/Independent School | Bladensburg | MD |
| Elizabethtown College | Inactive | College/University | Elizabethtown | PA |
| Elk Grove Unified School District | Inactive | Public School District | Elk Grove | CA |
| Ellis School, The | Inactive | Private/Independent School | Pittsburgh | PA |
| Elm City Montessori School | Inactive | Public School [Stand Alone] | New Haven | CT |
| Elmwood Franklin School | Inactive | Private/Independent School | Buffalo | NY |
| Elmwood Village Charter School | Inactive | Charter School | Buffalo | NY |
| Emerson Preparatory School | Inactive | Private/Independent School | Washington | DC |
| Emerson School | Inactive | Private/Independent School | Ann Arbor | MI |
| Emerson Waldorf School | Inactive | Private/Independent School | Chapel Hill | NC |
| Emma Willard School | Active | Private/Independent School | Troy | NY |
| Emmanuel College | Inactive | College/University | Boston | MA |
| Empire State College | Inactive | College/University | Saratoga Springs | NY |
| EmpTest | Inactive | Business/Corporation | Gainesville | FL |
| EnCorps Teachers Program | Inactive | Non-Profit Organization [Non School] | Los Angekes | CA |
| Engaging Schools | Inactive | Non-Profit Organization [Non School] | Cambridge | MA |
| Ensworth School | Inactive | Private/Independent School | Nashville | TN |
| Environmental Charter Schools | Inactive | Charter School | Redondo Beach | CA |
| Envision Schools | Inactive | Public School District | Oakland | CA |
| EPIC Academy | Inactive | Charter School | Chicago | IL |
| Epiphany School [MA] | Inactive | Private/Independent School | Dorchester | MA |
| Epiphany School [WA] | Inactive | Private/Independent School | Seattle | WA |
| Episcopal Academy, The | Active | Private/Independent School | Newtown Square | PA |
| Episcopal Collegiate School | Inactive | Private/Independent School | Little Rock | AR |
| Episcopal High School | Active | Private/Independent School | Alexandria | VA |
| Episcopal High School in Houston | Inactive | Private/Independent School | Bellaire | TX |
| Episcopal School in the City of New York, The | Inactive | Private/Independent School | New York | NY |
| Episcopal School of Baton Rouge | Active | Private/Independent School | Baton Rouge | LA |
| Episcopal School of Dallas, The | Active | Private/Independent School | Dallas | TX |
| Episcopal School of Jacksonville | Inactive | Private/Independent School | Jacksonville | FL |
| Episcopal School of Los Angeles, The | Inactive | Private/Independent School | Los Angeles | CA |
| Episcopal School of Nashville | Inactive | Private/Independent School | Nashville | TN |
| Equality Now | Inactive | Non-Profit Organization [Non School] | New York | NY |
| Escuela Bilingüe Internacional | Inactive | Private/Independent School | Oakland | CA |
| Esperanza Academy | Inactive | Private/Independent School | Lawrence | MA |
| Esprit International School | Inactive | Private/Independent School | Spring | TX |
| Essex Westford School District | Inactive | Public School District | Essex Jct. | VT |
| Ethel Walker School, The | Inactive | Private/Independent School | Simsbury | CT |
| Ethical Community Charter School, The | Inactive | Charter School | Brooklyn | NY |
| Ethical Culture Fieldston School | Active | Private/Independent School | New York | NY |
| Eton Academy | Inactive | Private/Independent School | Birmingham | MI |
| Evelyn Graves Christian Academy | Inactive | Private/Independent School | Philadelphia | PA |
| Everett Public Schools | Inactive | Public School District | Everett | MA |
| Evergreen Community Charter School | Inactive | Charter School | Asheville | NC |
| Evergreen School, The | Active | Private/Independent School | Shoreline | WA |
| Excel Academy Charter Schools | Inactive | Charter School | East Boston | MA |
| Excel Public Charter School | Inactive | Charter School | Seattle | WA |
| Experiment in International Living | Inactive | Non-Profit Organization [Non School] | Brattleboro | VT |
| Explore Schools | Inactive | Charter School | Brooklyn, NY | NY |
| Facing History and Ourselves | Inactive | Non-Profit Organization [Non School] | Brookline | MA |
| Fairbanks North Star Borough School District | Inactive | Public School District | Fairbanks | AK |
| Fairfax County Public Schools | Inactive | Public School District | Falls Church | VA |
| Fairfield College Preparatory School | Inactive | Private/Independent School | Fairfield | CT |
| Falk Laboratory School | Inactive | Private/Independent School | 15261 | PA |
| Falmouth Academy | Inactive | Private/Independent School | Falmouth | MA |
| Falmouth Public Schools | Inactive | Public School [Stand Alone] | Falmouth | ME |
| FAME Fund for Advancement of Minorities Through Ed. | Inactive | Non-Profit Organization [Non School] | Pittsburgh | PA |
| Family Cooperative, The | Inactive | Non-Profit Organization [Non School] | Watertown | MA |
| Family Cooperative, The | Inactive | Non-Profit Organization [Non School] | Watertown | MA |
| Far Brook School | Inactive | Private/Independent School | Short Hills | NJ |
| Far Hills Country Day School | Inactive | Private/Independent School | Far Hills | NJ |
| Farm & Wilderness Foundation | Inactive | Private/Independent School | Plymouth | VT |
| Father Ryan High School | Active | Private/Independent School | Nashville | TN |
| Fay School | Active | Private/Independent School | Southborough | MA |
| Fay School, The | Inactive | Private/Independent School | Houston | TX |
| Fayerweather Street School | Inactive | Private/Independent School | Cambridge | MA |
| Fayette County Board of Education | Inactive | Public School [Stand Alone] | Lexington | KY |
| Fayette County School System | Inactive | Public School [Stand Alone] | Fayetteville | GA |
| Fayetteville Academy | Inactive | Private/Independent School | Fayetteville | NC |
| Fellowship Christian School | Inactive | Private/Independent School | Roswell | GA |
| Fellowship Christian School | Inactive | Private/Independent School | Roswell | GA |
| Fenn School, The | Active | Private/Independent School | Concord | MA |
| Fessenden School, The | Active | Private/Independent School | West Newton | MA |
| Field School, The | Active | Private/Independent School | Washington | DC |
| Field Semester, The | Inactive | Program [Summer/Seasonal] | Berkeley | CA |
| Finneytown Local School District | Inactive | Public School District | Cincinnati | OH |
| First Academy, The | Inactive | Private/Independent School | Orlando | FL |
| FirstLine Schools | Inactive | Charter School | New Orleans | LA |
| Fishtank Learning, Inc. | Inactive | Non-Profit Organization [Non School] | Brighton | MA |
| Fitchburg Public Schools | Inactive | Public School District | Fitchburg | MA |
| Flint Hill School | Active | Private/Independent School | Oakton | VA |
| Flintridge Preparatory School | Active | Private/Independent School | La Canada | CA |
| Flintridge Sacred Heart Academy | Active | Private/Independent School | La Canada-Flintridge | CA |
| Florida Coastal School of Law | Inactive | College/University | Jacksonville | FL |
| Florida Gulf Coast University | Inactive | College/University | Fort Myers | FL |
| Florida SouthWestern State College | Inactive | College/University | Fort Myers | FL |
| Florida State University | Active | College/University | Tallahassee | FL |
| Fontbonne Academy | Inactive | Private/Independent School | Milton | MA |
| Foote School, The | Inactive | Private/Independent School | New Haven | CT |
| Foothill Country Day School | Inactive | Private/Independent School | Claremont | CA |
| Fordham Preparatory School | Inactive | Private/Independent School | Bronx | NY |
| Forest Hills Public Schools | Inactive | Public School [Stand Alone] | Grand Rapids | MI |
| Forest Ridge Academy | Inactive | Private/Independent School | Schererville | IN |
| Forest Ridge School of the Sacred Heart | Active | Private/Independent School | Bellevue | WA |
| Forman School | Inactive | Private/Independent School | Litchfield | CT |
| Forsyth School | Inactive | Private/Independent School | St. Louis | MO |
| Fort Worth Academy | Inactive | Private/Independent School | Fort Worth | TX |
| Fort Worth Christian School | Inactive | Private/Independent School | North Richland Hills | TX |
| Fort Worth Country Day | Active | Private/Independent School | Fort Worth | TX |
| Foundation Academies | Inactive | Charter School | Trenton | NJ |
| Fountain Valley School of Colorado | Inactive | Private/Independent School | Colorado Springs | CO |
| Fox Chapel Area School District | Inactive | Public School District | Pittsburgh | PA |
| Foxborough Regional Charter School | Inactive | Charter School | Foxborough | MA |
| Foxcroft School | Inactive | Private/Independent School | Middleburg | VA |
| Framingham Public Schools | Active | Public School [Stand Alone] | Framingham | MA |
| Frances Xavier Warde School, The | Active | Private/Independent School | Chicago | IL |
| Francis Parker School [CA] | Active | Private/Independent School | San Diego | CA |
| Francis Parker School of Louisville | Active | Private/Independent School | Louisville | KY |
| Francis W. Parker Charter Essential School, The | Inactive | Charter School | Devens | MA |
| Francis W. Parker School | Inactive | Private/Independent School | Chicago | IL |
| Frank Porter Child Development Institute | Inactive | College/University | Chapel Hill | NC |
| Franklin Academy | Inactive | Private/Independent School | East Haddam | CT |
| Franklin Regional Council of Governments | Inactive | Other | Greenfield | MA |
| Franklin Road Academy | Inactive | Private/Independent School | Nashville | TN |
| Franklin Township Public School | Inactive | Public School District | Somerset | NJ |
| Frederica Academy, Inc. | Inactive | Private/Independent School | ST SIMONS ISLAND | GA |
| Frederick Community College | Inactive | College/University | Frederick | MD |
| Frederick County Public Schools | Inactive | Public School District | Frederick | MD |
| Frederick County Public Schools, VA | Inactive | Public School [Stand Alone] | Winchester | VA |
| Frederick Gunn School, The | Active | Private/Independent School | Washington | CT |
| Fredericksburg Academy | Inactive | Private/Independent School | Fredericksburg | VA |
| Free Union Country School | Inactive | Private/Independent School | Free Union | VA |
| Freire Charter Schools | Inactive | Charter School | PHILADELPHIA | PA |
| Fremont Unified School District | Inactive | Public School District | Fremont | CA |
| French American International School | Inactive | Private/Independent School | San Francisco | CA |
| French American School of NY | Active | Private/Independent School | Mamaroneck | NY |
| Friends Academy | Inactive | Private/Independent School | Dartmouth | MA |
| Friends Academy | Active | Private/Independent School | Locust Valley | NY |
| Friends Community School | Active | Private/Independent School | College Park | MD |
| Friends of Holly Hill Farm, Inc. | Inactive | Non-Profit Organization [Non School] | Cohasset | MA |
| Friends of the Children - SF Bay Area | Inactive | Non-Profit Organization [Non School] | San Francisco | CA |
| Friends School Haverford | Inactive | Private/Independent School | Haverford | PA |
| Friends School of Atlanta | Inactive | Private/Independent School | Decatur | GA |
| Friends School of Baltimore | Active | Private/Independent School | Baltimore | MD |
| Friends School of Portland | Inactive | Private/Independent School | Cumberland Foreside | ME |
| Friends Select School | Inactive | Private/Independent School | Philadelphia | PA |
| Friends Seminary | Inactive | Private/Independent School | New York | NY |
| Friends' Central School | Active | Private/Independent School | Wynnewood | PA |
| Friendship Public Charter School | Inactive | Charter School | Washington | DC |
| Future Design School | Inactive | Business/Corporation | Toronto | II |
| Future Leaders Institute Charter School | Inactive | Charter School | New York | NY |
| Galloway School, The | Inactive | Private/Independent School | Atlanta | GA |
| Gann Academy | Inactive | Private/Independent School | Waltham | MA |
| Garden School, The | Inactive | Private/Independent School | Marietta | GA |
| Gardner Public Schools | Inactive | Public School District | Gardner | MA |
| Garland ISD | Inactive | Public School [Stand Alone] | Garland | TX |
| Garnet Valley School District | Inactive | Public School District | Glen Mills | PA |
| Garrison Forest School | Active | Private/Independent School | Owings | MD |
| Garrison Union Free School District, The | Inactive | Public School District | Garrison | NY |
| Gateway | Inactive | Private/Independent School | Santa Cruz | CA |
| Gateway Community Charters | Inactive | Charter School | McClellan | CA |
| Gateway Public Schools | Inactive | Charter School | San Francisco | CA |
| Gateway School | Inactive | Private/Independent School | Santa Cruz | CA |
| Gateway School, The | Active | Private/Independent School | New York | NY |
| GEMS World Academy Chicago | Inactive | Private/Independent School | Chicago | IL |
| Genesis Innovation Academy | Inactive | Charter School | Atlanta | GA |
| Geneva School, The | Inactive | Private/Independent School | Winter Park | FL |
| George Jackson Academy | Inactive | Private/Independent School | New York | NY |
| George Mason University | Inactive | College/University | Fairfax | VA |
| George School | Inactive | Private/Independent School | Newtown | PA |
| Georgetown Day School | Active | Private/Independent School | Washington | DC |
| Georgetown Preparatory School | Inactive | Private/Independent School | North Bethesda | MD |
| Georgetown Visitation Preparatory School | Inactive | Private/Independent School | Washington | DC |
| Georgia Institute of Technology | Inactive | College/University | Atlanta | GA |
| Georgia Southern University | Inactive | College/University | Statesboro | GA |
| Georgia Southern University | Inactive | College/University | Statesboro | GA |
| Georgia State University | Inactive | College/University | Atlanta | GA |
| Germantown Academy | Active | Private/Independent School | Fort Washington | PA |
| Germantown Friends School | Active | Private/Independent School | Philadelphia | PA |
| Gesu School | Inactive | Private/Independent School | Philadelphia | PA |
| Giddens School | Inactive | Private/Independent School | Seattle | WA |
| Gifford School, The | Inactive | Private/Independent School | Weston | MA |
| Gill St. Bernard's School | Inactive | Private/Independent School | Gladstone | NJ |
| Gillen Brewer School | Inactive | Private/Independent School | New York | NY |
| Gillispie School | Inactive | Private/Independent School | La Jolla | CA |
| Gilman School | Active | Private/Independent School | Baltimore | MD |
| Gilmour Academy | Inactive | Private/Independent School | Gates Mills | OH |
| Girard College | Active | Private/Independent School | Philadelphia | PA |
| Girls Athletic Leadership School | Inactive | Charter School | Denver | CO |
| Girls Preparatory School | Inactive | Private/Independent School | Chattanooga | TN |
| Girls' Middle School, The | Inactive | Private/Independent School | Palo Alto | CA |
| Girls' School of Austin, The | Active | Private/Independent School | Austin | TX |
| Gladwyne Montessori School | Inactive | Private/Independent School | Gladwyne | PA |
| Glen Urquhart School | Inactive | Private/Independent School | Beverly | MA |
| Glenbard East High School | Inactive | Public School District | Lombard | IL |
| Glenbard North HS | Inactive | Public School [Stand Alone] | Carol Stream | IL |
| Glenelg Country School | Inactive | Private/Independent School | Ellicott City | MD |
| Global Citizen Year Inc | Inactive | Non-Profit Organization [Non School] | Oakland | CA |
| Global Citizens Public Charter School | Inactive | Charter School | Washington | DC |
| Global Education Benchmark Group | Inactive | Non-Profit Organization [Non School] | St. Louis | MO |
| Gloucester County College [TMP] | Inactive | College/University | Sewell | NJ |
| GLSEN Chicago | Inactive | Non-Profit Organization [Non School] | Chicago | IL |
| Goalbook | Inactive | Business/Corporation | San Mateo | CA |
| Good Shepherd Episcopal School | Inactive | Private/Independent School | Dallas | TX |
| Gooden School, The | Inactive | Private/Independent School | Sierra Madre | CA |
| Goodwill of Western & Northern CT | Inactive | Non-Profit Organization [Non School] | Bridgeport | CT |
| Gordon - Conwell Theological Seminary | Inactive | College/University | South Hamiliton | MA |
| Gordon School | Active | Private/Independent School | East Providence | RI |
| Gothic Software | Inactive | Business/Corporation | Gainesville | FL |
| GothicEMP | Inactive | Business/Corporation | Gainesville | FL |
| GothicEMP2 | Inactive | Business/Corporation | Gainesville | FL |
| GotoAssignmenthelp | Inactive | Other | Abbess Roding | NY |
| Governor's Academy, The | Active | Private/Independent School | byfield | MA |
| Grace Academy | Inactive | Private/Independent School | Hartford | CT |
| Grace Church School | Active | Private/Independent School | New York | NY |
| Grace Community School | Inactive | Private/Independent School | Tyler | TX |
| Grace Episcopal Day School | Inactive | Private/Independent School | Kensington | MD |
| Grace-St. Luke's Episcopal School | Inactive | Private/Independent School | Memphis | TN |
| Grafton Public School District | Inactive | Public School District | Grafton | MA |
| Graland Country Day School | Inactive | Private/Independent School | Denver | CO |
| Grand Valley State University | Inactive | College/University | Allendale | MI |
| Grantmakers for Effective Organizations [GEO] | Inactive | Business/Corporation | Washington | DC |
| Grassroots Team | Inactive | Business/Corporation | Chicago | IL |
| Grayson School, The | Inactive | Private/Independent School | Radnor | PA |
| Great Lakes Academy | Inactive | Non-Profit Organization [Non School] | Plano | TX |
| GREAT LAKES BEHAVIORAL RESEARCH INSTITUTE | Inactive | Non-Profit Organization [Non School] | PITTSBURGH | PA |
| Great Oaks Charter Schools | Inactive | Non-Profit Organization [Non School] | New York | NY |
| Great Schools Partnership | Inactive | Non-Profit Organization [Non School] | Portland | ME |
| Great Valley School District | Inactive | Public School District | Malvern | PA |
| Greater Atlanta Christian School | Inactive | Private/Independent School | Norcross | GA |
| Greater Clark County Schools | Inactive | Public School District | Jeffersonville | IN |
| Greater Lowell Technical High School | Active | Public School [Stand Alone] | Tyngsboro | MA |
| Greeley-Evans School District 6 | Inactive | Public School District | Greeley | CO |
| Green Acres School | Inactive | Private/Independent School | North Bethesda | MD |
| Green Dot Public Schools | Inactive | Public School [Stand Alone] | Los Angeles | CA |
| Green Dot Public Schools, SE Texas | Inactive | Public School District | Beaumont | TX |
| Green Hedges School | Inactive | Private/Independent School | Vienna | VA |
| Green Ivy Schools | Inactive | Private/Independent School | New York | NY |
| Green Meadow Waldorf School | Inactive | Private/Independent School | Chestnut Ridge | NY |
| Green Vale School, The | Inactive | Private/Independent School | Old Brookville | NY |
| Green Woods Charter School | Inactive | Charter School | Philadelphia | PA |
| GREENBURGH ELEVEN UFSD | Inactive | Public School District | DOBBS FERRY | NY |
| Greendale Schools | Inactive | Public School [Stand Alone] | Greendale | WI |
| Greene Hill School | Inactive | Private/Independent School | Brooklyn | NY |
| Greene School, The | Inactive | Charter School | West Greenwich | RI |
| Greene School, The | Active | Private/Independent School | West Palm Beach | FL |
| Greene Street Friends School | Active | Private/Independent School | Philadelphia | PA |
| Greene Towne Montessori School | Inactive | Private/Independent School | Philadelphia | PA |
| Greenhill School [TX] | Inactive | Private/Independent School | Addison | TX |
| Greenhills School [MI] | Active | Private/Independent School | Ann Arbor | MI |
| Greens Farms Academy | Active | Private/Independent School | Westport | CT |
| Greensboro Day School | Inactive | Private/Independent School | Greensboro | NC |
| Greenville College | Inactive | College/University | Greenville | IL |
| Greenwich Academy | Inactive | Private/Independent School | Greenwich | CT |
| Greenwich Country Day School, The | Inactive | Private/Independent School | Greenwich | CT |
| Greenwich Public Schools | Inactive | Public School District | Greenwich | CT |
| Greta Berman Arbetter Kazoo School, The | Inactive | Private/Independent School | Kalamazoo | MI |
| Griffin Academy | Inactive | Charter School | Vallejo | CA |
| Grosse Pointe Academy, The | Inactive | Private/Independent School | Grosse Pointe Farms | MI |
| Grossmont/Cuyamaca Community College District | Inactive | College/University | El Cajon | CA |
| Groton School | Active | Private/Independent School | Groton | MA |
| Gulliver Preparatory School | Inactive | Private/Independent School | Miami | FL |
| Gunston School, The | Inactive | Private/Independent School | Centreville | MD |
| Gwinnett County Public Schools | Inactive | Public School District | Suwanee | GA |
| Gwynedd Friends School | Inactive | Private/Independent School | North Wales | PA |
| Gwynedd Mercy Academy High School | Active | Private/Independent School | Gwynedd Valley | PA |
| Hackley School | Active | Private/Independent School | Tarrytown | NY |
| Haddon Heights School District | Inactive | Public School District | Haddon Heights | NJ |
| Haddonfield Friends School | Inactive | Private/Independent School | Haddonfield | NJ |
| Haledon Board of Education | Inactive | Public School [Stand Alone] | Haledon | NJ |
| Hamden Hall Country Day School | Inactive | Private/Independent School | Hamden | CT |
| Hamilton Township School District | Inactive | Public School District | Hamilton | NJ |
| Hampshire College | Inactive | College/University | Amherst | MA |
| Hampton Township School District | Inactive | Public School District | Allison Park | PA |
| Harbor Country Day School | Inactive | Private/Independent School | St James | NY |
| Harbor Day School | Inactive | Private/Independent School | Corona del Mar | CA |
| Harding Academy | Inactive | Private/Independent School | Nashville | TN |
| Harker School, The | Active | Private/Independent School | San Jose | CA |
| Harlem Academy | Inactive | Private/Independent School | New York | NY |
| Harlem Lacrosse | Inactive | Non-Profit Organization [Non School] | New York | NY |
| Harlem Link Charter School | Inactive | Charter School | New York | NY |
| Harlem Village Academies | Inactive | Charter School | New York | NY |
| Harley School, The | Inactive | Private/Independent School | Rochester | NY |
| Harpeth Hall School | Active | Private/Independent School | Nashville | TN |
| Harrisburg School District | Inactive | Public School [Stand Alone] | Harrisburg | PA |
| Hartford Public Schools | Inactive | Public School District | Hartford | CT |
| Hartford School District | Inactive | Public School District | White River Junction | VT |
| Hartford Youth Scholars | Inactive | Non-Profit Organization [Non School] | Hartford | CT |
| Harvard Graduate School of Education | Inactive | College/University | Cambridge | MA |
| Harvard Street Neighborhood Health Center | Inactive | Non-Profit Organization [Non School] | Dorchester | MA |
| Harvard-Westlake School | Active | Private/Independent School | Studio City | CA |
| Harvey School, The | Inactive | Private/Independent School | Katonah | NY |
| Hastings-on-Hudson U.F.S.D | Inactive | Public School District | New York | NY |
| Hatboro-Horsham School District | Inactive | Public School District | Horsham | PA |
| Hathaway Brown School | Inactive | Private/Independent School | Shaker Heights | OH |
| Haverford School | Inactive | Private/Independent School | Haverford | PA |
| Hawaii Preparatory Academy | Inactive | Private/Independent School | KAMUELA | HI |
| Hawken School | Active | Private/Independent School | Gates Mills | OH |
| Hawthorn Leadership School for Girls | Inactive | Charter School | St. Louis | MO |
| Hawthorne School District | Inactive | Public School [Stand Alone] | Hawthorne | |
| HD Beijing School | Inactive | Private/Independent School | Beijing | II |
| Head-Royce School | Active | Private/Independent School | Oakland | CA |
| Headlands Preparatory School | Inactive | Private/Independent School | Sausalito | CA |
| Headwaters School | Inactive | Private/Independent School | Austin | TX |
| Hebrew Public | Inactive | Charter School | New York | NY |
| Hebron Academy | Active | Private/Independent School | Hebron | ME |
| Hebron Christian Academy | Inactive | Private/Independent School | Dacula | GA |
| Helios School | Inactive | Private/Independent School | Sunnyvale | CA |
| Hendry County Schools | Inactive | Public School District | LaBelle | FL |
| Henry County Schools | Inactive | Public School District | McDonough | GA |
| Heritage Hall | Active | Private/Independent School | Oklahoma City | OK |
| Heritage Preparatory School | Inactive | Private/Independent School | Atlanta | GA |
| Herron High School | Inactive | Charter School | Indianapolis | IN |
| Herron Preparatory Academy | Inactive | Charter School | Indianapolis | IN |
| Hewitt School | Active | Private/Independent School | New York City | NY |
| High Meadow School | Inactive | Private/Independent School | Stone Ridge | NY |
| High Meadows School | Inactive | Private/Independent School | Roswell | GA |
| High Mountain Institute | Active | Private/Independent School | Leadville | CO |
| Highbridge Green School, The | Inactive | Public School [Stand Alone] | Bronx | NY |
| Higher Achievement | Inactive | Non-Profit Organization [Non School] | Washington | DC |
| Highland Central School District | Inactive | Public School District | Highland | NY |
| Highlander Institute | Inactive | Non-Profit Organization [Non School] | Providence | RI |
| Highlands School | Inactive | Private/Independent School | Birmingham | AL |
| Highline Academy | Inactive | Charter School | Denver | CO |
| Hill School, The | Inactive | Private/Independent School | Pottstown | PA |
| Hillbrook School | Inactive | Private/Independent School | Los Gatos | CA |
| Hilltown Cooperative Charter Public School | Inactive | Charter School | Easthampton, MA | MA |
| Hispanic Network Magazine | Inactive | Business/Corporation | Riverside | CA |
| Hoboken Charter School | Inactive | Charter School | Hoboken | NJ |
| Hoboken Public School District | Inactive | Public School District | Hoboken | NJ |
| Hoboken Public Schools | Inactive | Public School District | Hoboken | NJ |
| Hockaday School, The | Active | Private/Independent School | Dallas | TX |
| Holderness School | Inactive | Private/Independent School | Plymouth | NH |
| Hole in the Wall Gang Camp, The | Inactive | Non-Profit Organization [Non School] | New Haven | CT |
| Hole in the Wall Gang Fund, Inc., The | Inactive | Non-Profit Organization [Non School] | New Haven | CT |
| Holland Hall | Active | Private/Independent School | Tulsa | OK |
| Holliston Public Schools | Inactive | Public School District | Holliston | MA |
| Hollywood Schoolhouse | Inactive | Private/Independent School | Los Angeles | CA |
| Holton-Arms School | Active | Private/Independent School | Bethedsa | MD |
| Holy Child Academy | Inactive | Private/Independent School | Drexel Hill | PA |
| Holy Comforter Episcopal School | Inactive | Private/Independent School | Tallahassee | FL |
| Holy Family Cristo Rey Catholic High School | Inactive | Private/Independent School | Birmingham | AL |
| Holy Family Institute | Inactive | Non-Profit Organization [Non School] | PITTSBURGH | PA |
| Holy Ghost Preparatory School | Inactive | Private/Independent School | Bensalem | PA |
| Holy Innocents' Episcopal School | Inactive | Private/Independent School | Atlanta | GA |
| Holy Spirit Episcopal School | Inactive | Private/Independent School | Houston | TX |
| Holy Spirit Preparatory School | Inactive | Private/Independent School | Atlanta | GA |
| Holy Trinity Episcopal Day School | Inactive | Private/Independent School | Glenn Dale | MD |
| Holyoke Public Schools | Inactive | Public School District | Holyoke | MA |
| Home For Little Wanderers, The | Inactive | Non-Profit Organization [Non School] | Boston | MA |
| HomeStart Inc. | Inactive | Non-Profit Organization [Non School] | Boston | MA |
| Hope Academy | Inactive | Private/Independent School | Greensboro | NC |
| Hope Academy [MN] | Inactive | Private/Independent School | Minneapolis | MN |
| Hopkins School | Active | Private/Independent School | New Haven | CT |
| Horace Mann School | Active | Private/Independent School | Riverdale | NY |
| Hotchkiss School, The | Active | Private/Independent School | Lakeville | CT |
| Houston Christian High School | Inactive | Private/Independent School | Houston | TX |
| Howard School, The | Inactive | Private/Independent School | Atlanta | GA |
| Howard University Middle School of Mathematics and Science | Inactive | Charter School | Washington | DC |
| Howell Township Public Schools | Inactive | Public School District | Howell | NJ |
| Human Rights Campaign | Inactive | Non-Profit Organization [Non School] | Washington | DC |
| Hun School of Princeton, The | Inactive | Private/Independent School | PRINCETON | NJ |
| Hunter College | Inactive | College/University | New York | NY |
| Hunter College High School | Active | Public School District | New York | NY |
| Hutchison School | Inactive | Private/Independent School | Memphis | TN |
| Hyde Leadership Charter School | Inactive | Charter School | Bronx | NY |
| I CAN SCHOOLS | Inactive | Charter School | Maple Heights | OH |
| I Dream Public Charter School | Inactive | Charter School | Washington | DC |
| ICA Cristo Rey | Inactive | Private/Independent School | San Francisco | CA |
| ICEF Public Schools | Inactive | Public School District | Los Angeles | CA |
| IDE Corp. | Inactive | Business/Corporation | Ramsey | NJ |
| IDEAL School of Manhattan, The | Inactive | Private/Independent School | NEW YORK | NY |
| Idyllwild Arts Academy | Inactive | Private/Independent School | Idyllwild | CA |
| Idyllwild Arts Foundation | Inactive | Non-Profit Organization [Non School] | IDYLLWILD | CA |
| IFF | Inactive | Non-Profit Organization [Non School] | Chicago | IL |
| Illinois Mathematics and Science Academy | Active | Public School [Stand Alone] | Aurora | IL |
| Illinois Network of Charter Schools | Inactive | Non-Profit Organization [Non School] | Chicago | IL |
| Impact Public Schools | Inactive | Charter School | Tukwila | WA |
| Incarnate Word Academy | Inactive | Private/Independent School | Houston | TX |
| Incarnate Word Academy, Houston | Inactive | Private/Independent School | HOUSTON | TX |
| Independence Charter School | Inactive | Charter School | Philadelphia | PA |
| Independence School, The | Inactive | Private/Independent School | Newark | DE |
| Independence School, The | Inactive | Private/Independent School | Newark | DE |
| Independence School, The | Inactive | Private/Independent School | Newark | DE |
| Independent Day School, The | Inactive | Private/Independent School | Middlefield | CT |
| Independent Schools of St. Louis | Inactive | Non-Profit Organization [Non School] | St. Louis | MO |
| Indian Creek School | Active | Private/Independent School | Crownsville | MD |
| Indian Mountain School | Inactive | Private/Independent School | Lakeville | CT |
| INDIAN RIVER SCHOOL DISTRICT | Inactive | Public School District | Selbyville | DE |
| Indian River School District | Inactive | Public School District | Selbyville | DE |
| Indian River School District - ELC/GWC | Inactive | Public School District | Frankford | DE |
| Indiana University Purdue University Indianapolis | Inactive | College/University | Indianapolis | IN |
| Ingenuity Prep | Inactive | Charter School | Washington DC | DC |
| Inly School, Inc. | Active | Private/Independent School | Scituate | MA |
| Innovation Academy Charter School | Inactive | Charter School | Tyngsboro | MA |
| Institute for Health Metrics and Evaluation | Inactive | Non-Profit Organization [Non School] | Seattle | WA |
| Institute for Informatics | Inactive | | Albany | NY |
| Institute for Social and Emotional Learning, The | Inactive | Business/Corporation | MENLO PARK | CA |
| Institute of Notre Dame | Inactive | Private/Independent School | Baltimore | MD |
| Integrated English | Inactive | College/University | Lansing | MI |
| Interdistrict School for Arts and Communication | Inactive | Charter School | New London | CT |
| Interlochen Center for the Arts | Inactive | Private/Independent School | Interlochen | MI |
| International Academy of Smyrna | Inactive | Charter School | Smyrna | GA |
| International Academy of Trenton Charter School | Inactive | Charter School | Trenton | NJ |
| International Boys' Schools Coalition | Inactive | Non-Profit Organization [Non School] | CLEVELAND HEIGHTS | OH |
| International Food Policy Research Institute | Inactive | Business/Corporation | NW | DC |
| International High School | Inactive | Private/Independent School | San Francisco | CA |
| International Institute of RI | Inactive | Non-Profit Organization [Non School] | Providence | RI |
| International Montessori School of Beijing | Inactive | Business/Corporation | Beijing | II |
| International School of Boston | Active | Private/Independent School | Cambridge | MA |
| International School of Brooklyn | Active | Private/Independent School | Brooklyn | NY |
| International School of Denver | Inactive | Private/Independent School | Denver | CO |
| International School of Indiana | Inactive | Private/Independent School | Indianapolis | IN |
| International School of Luxembourg | Active | Private/Independent School | Luxembourg | II |
| International School of the Peninsula | Inactive | Private/Independent School | Palo Alto | CA |
| Inver Hills Community College | Inactive | College/University | Inver Grove Heights | MN |
| Iona Preparatory School | Inactive | Private/Independent School | New Rochelle | NY |
| Iowa State University | Inactive | College/University | Ames | IA |
| IRIS -- Integrated Refugee & Immigrant Services | Inactive | Non-Profit Organization [Non School] | New Haven | CT |
| Irvington UFSD | Inactive | Public School District | Irvington | NY |
| Isidore Newman School | Inactive | Private/Independent School | New Orleans | LA |
| Isle of Wight County Schools | Inactive | Public School [Stand Alone] | Smithfield | VA |
| Ithaca City School District | Inactive | Public School District | Ithaca | NY |
| Ithaca College | Inactive | College/University | Ithaca | NY |
| Ithaca Waldorf School | Inactive | Private/Independent School | Ithaca | NY |
| IUPUI Office of Housing and Residence Life | Inactive | College/University | Indianapolis | IN |
| Jackson Preparatory School | Inactive | Private/Independent School | Flowood | MS |
| Jacksonville Country Day School | Inactive | Private/Independent School | Jacksonville | FL |
| James River Day School | Inactive | Private/Independent School | Lynchburg | VA |
| Janney Elementary School | Inactive | Public School [Stand Alone] | Washington | DC |
| Japan Exchange and Teaching (JET) Program | Inactive | Other | Boston | MA |
| Jerry's Artarama of Raleigh | Inactive | Business/Corporation | Raleigh | NC |
| Jesuit High School | Inactive | Private/Independent School | Portland | OR |
| Jewish Community High School of the Bay | Inactive | Private/Independent School | San Francisco | CA |
| Jewish Vocational Service | Inactive | Non-Profit Organization [Non School] | Boston | MA |
| John Burroughs School | Inactive | Private/Independent School | St. Louis | MO |
| John Cooper School, The | Active | Private/Independent School | The Woodlands | TX |
| John F. Kennedy Presidential Library and Museum | Inactive | Non-Profit Organization [Non School] | Boston | MA |
| John Thomas Dye School, The | Inactive | Private/Independent School | Los Angeles | CA |
| John Wood Community College | Inactive | College/University | Quincy | IL |
| Johns Hopkins Center for Talented Youth | Inactive | Non-Profit Organization [Non School] | Baltimore | MD |
| Johns Hopkins University | Inactive | College/University | Baltimore | MD |
| Joliet Township High School | Inactive | Public School District | Joliet | IL |
| Joliet Township High School District 204 | Inactive | Public School [Stand Alone] | Joliet | IL |
| Jones Valley Teaching Farm | Inactive | Non-Profit Organization [Non School] | Birmingham | AL |
| Joy School, The | Inactive | Private/Independent School | Houston | TX |
| Julia Morgan School for Girls | Inactive | Private/Independent School | Oakland | CA |
| Jumpstart For Young Children | Inactive | Non-Profit Organization [Non School] | Boston | MA |
| Junior Academies, Inc | Inactive | Private/Independent School | Fayetteville | GA |
| Just Right Academy | Inactive | Private/Independent School | Durham | NC |
| Just-A-Start Corporation | Inactive | Non-Profit Organization [Non School] | Cambridge | MA |
| Kalamazoo Country Day School | Inactive | Private/Independent School | Portage | MI |
| KapKa Cooperative School | Inactive | Private/Independent School | Seattle | WA |
| Katherine Delmar Burke School | Inactive | Private/Independent School | San Francisco | CA |
| Katonah-Lewisboro | Inactive | Public School District | Cross River | NY |
| Keck School of Medicine, University of Southern CA | Inactive | College/University | Los Angeles | CA |
| Kehillah Jewish High School | Inactive | Private/Independent School | Palo Alto | CA |
| Kenilworth Public Schools | Active | Public School District | Kenilworth, | NJ |
| Kent Denver School | Active | Private/Independent School | ENGLEWOOD | CO |
| Kent Place School | Inactive | Private/Independent School | Summit | NJ |
| Kent School | Active | Private/Independent School | Kent | CT |
| Kent School District | Inactive | Public School District | Kent | WA |
| Kent State University | Inactive | Private/Independent School | Kent | OH |
| Kents Hill School | Inactive | Private/Independent School | Kents Hill | ME |
| Kentucky Country Day School | Active | Private/Independent School | Louisville | KY |
| Kentucky Wesleyan College | Inactive | College/University | Owensboro | KY |
| Kern High School District | Inactive | Public School District | Bakersfield | CA |
| Key School | Active | Private/Independent School | Annapolis | MD |
| Keys School | Inactive | Non-Profit Organization [Non School] | Palo Alto | CA |
| Keystone School | Inactive | Private/Independent School | San Antonio | TX |
| Khan Lab School | Inactive | Private/Independent School | Mountain View | CA |
| Khepera Charter School | Inactive | Charter School | Philadelphia | PA |
| Kimball Union Academy | Active | Private/Independent School | Meriden | NH |
| King Abdullah Academy | Inactive | Private/Independent School | Herndon | VA |
| King School | Active | Private/Independent School | Stamford | CT |
| King's Ridge Christian School | Inactive | Private/Independent School | Alpharetta | GA |
| Kingsbury Center, The | Inactive | Private/Independent School | Washington | DC |
| Kingsley Montessori School | Inactive | Private/Independent School | Boston | MA |
| Kingsman Academy Public Charter School | Inactive | Charter School | Washington | DC |
| Kingswood Oxford School | Active | Private/Independent School | West Hartford | CT |
| Kinkaid School, The | Inactive | Private/Independent School | Houston | TX |
| KIPP Academy Lynn | Inactive | Charter School | Lynn | MA |
| KIPP Austin Public Schools | Inactive | Charter School | Austin | TX |
| KIPP Baltimore, Inc. | Inactive | Charter School | Baltimore | MD |
| KIPP Colorado Schools | Inactive | Charter School | Denver | CO |
| KIPP Columbus | Inactive | Charter School | Columbus | OH |
| KIPP DC | Inactive | Public School [Stand Alone] | Washington | DC |
| KIPP Delta | Inactive | Business/Corporation | Helena | AR |
| KIPP Foundation | Inactive | Private/Independent School | San Francisco | CA |
| KIPP Jacksonville Schools | Inactive | Charter School | Jacksonville | FL |
| KIPP Massachusetts | Inactive | Charter School | Lynn | MA |
| KIPP Memphis Collegiate Schools | Inactive | Charter School | Memphis | TN |
| KIPP Metro Atlanta Schools | Inactive | Charter School | Atlanta | GA |
| KIPP NJ | Miami | Active | Charter School | Newark | NJ |
| KIPP NYC | Inactive | Charter School | New York | NY |
| KIPP Philadelphia Schools | Inactive | Charter School | Philadelphia | PA |
| KIPP Public Schools Northern California | Inactive | Charter School | Oakland | CA |
| KIPP Schools | Inactive | Charter School | New York | NY |
| Kirby School | Inactive | Private/Independent School | Santa Cruz | CA |
| Kiski School | Inactive | Private/Independent School | Saltsburg | PA |
| Kiski School, The | Active | Private/Independent School | Saltsburg | PA |
| Kitamba | Inactive | Business/Corporation | New York | NY |
| Klingenstein Center, Columbia University | Inactive | College/University | New York | NY |
| Knowles Teacher Initiative | Inactive | Non-Profit Organization [Non School] | Moorestown | NJ |
| Knox County Schools | Inactive | Public School District | Knoxville | TN |
| Knox School, The | Inactive | Private/Independent School | Saint James | NY |
| Koff and Associates | Inactive | Business/Corporation | Berkeley | CA |
| La Cima Elementary Charter School | Inactive | Charter School | Brooklyn | NY |
| La Grange School District 102 | Inactive | Public School District | La Grange Park | IL |
| La Jolla Country Day School | Inactive | Private/Independent School | San Diego | CA |
| La Lumiere School | Inactive | Private/Independent School | La Porte | IN |
| La Salle College High School | Inactive | Private/Independent School | Wyndmoor | PA |
| La Scuola International School | Inactive | Private/Independent School | San Francisco | CA |
| Lab School of Washington, The | Active | Private/Independent School | Washington | DC |
| Laguna Blanca School | Inactive | Private/Independent School | Santa Barbara | CA |
| Lake Champlain Waldorf School | Inactive | Private/Independent School | Shelburne | VT |
| Lake Forest Academy | Active | Private/Independent School | Lake Forest | IL |
| Lake Forest Country Day School | Active | Private/Independent School | Lake Forest | IL |
| Lake Highland Preparatory School | Active | Private/Independent School | Orlando | FL |
| Lake Oconee Academy | Inactive | Charter School | Greensboro | GA |
| Lake Ridge Academy | Inactive | Private/Independent School | North Ridgeville | OH |
| Lake Washington Girls Middle School | Inactive | Private/Independent School | Seattle | WA |
| Lakehill Preparatory School | Inactive | Private/Independent School | Dallas | TX |
| Lakeland Central School District | Inactive | Public School District | Shrub Oak | NY |
| Lakeland Christian School | Inactive | Private/Independent School | Lakeland | FL |
| Lakeland Community College | Inactive | College/University | Kirtland | OH |
| Lakeside School | Inactive | Private/Independent School | Seattle | WA |
| Lamplighter School, The | Active | Private/Independent School | Dallas | TX |
| Lancaster Country Day School | Inactive | Private/Independent School | Lancaster | PA |
| Landmark Christian School | Inactive | Private/Independent School | Fairburn | GA |
| Landmark School | Inactive | Private/Independent School | Prides Crossing | MA |
| Landon School, The | Active | Private/Independent School | Bethesda | MD |
| Lane Education Service District | Inactive | Public School District | Eugene | OR |
| Lang School, The | Active | Private/Independent School | New York | NY |
| Langley School, The | Inactive | Private/Independent School | McLean | VA |
| Lansdowne Friends School | Inactive | Private/Independent School | Lansdowne | PA |
| Lansing Community College | Inactive | College/University | Lansing | MI |
| Latin School of Chicago | Inactive | Private/Independent School | Chicago | IL |
| Laurel School | Inactive | Private/Independent School | Shaker Heights | OH |
| Laurence School | Active | Private/Independent School | Valley Glen | CA |
| Lawrence Academy | Inactive | Private/Independent School | Groton | MA |
| Lawrence Berkeley National Laboratory | Inactive | Other | Brkeley | CA |
| Lawrence Catholic Academy | Inactive | Private/Independent School | Lawrence | MA |
| Lawrence Family Development Charter School | Inactive | Charter School | Lawrence | MA |
| Lawrence Public Schools | Inactive | Public School District | Lawrence | MA |
| Lawrence School | Inactive | Non-Profit Organization [Non School] | Broadview Hts. | OH |
| Lawrence Woodmere Academy | Inactive | Private/Independent School | Woodmere | NY |
| Lawrenceville School, The | Active | Private/Independent School | Lawrenceville | NJ |
| LAYC Career Academy | Inactive | Charter School | Washington | DC |
| LEAD Public Schools | Inactive | Charter School | Nashville | TN |
| Leadership Academy, The | Inactive | Non-Profit Organization [Non School] | Queens | NY |
| Leadership Public Schools | Inactive | Public School [Stand Alone] | Oakland | CA |
| Leander ISD | Inactive | Public School District | Leander | TX |
| LEAP Academy University Charter School | Inactive | Charter School | Camden | NJ |
| LEAP Innovations | Inactive | Non-Profit Organization [Non School] | Chicago | IL |
| Learning Ally | Inactive | Non-Profit Organization [Non School] | Princeton | NJ |
| Learning Community, The | Active | Charter School | Central Falls | RI |
| Learning First Charter Public School formerly known as Seven Hills Charter Public School | Inactive | Charter School | Worcester | MA |
| Learning Prep School | Inactive | Private/Independent School | West Newton | MA |
| Learning Project Elementary School, The | Inactive | Private/Independent School | Boston | MA |
| Lee County School District | Inactive | Public School [Stand Alone] | Fort Myers | FL |
| Legacy Christian Academy | Inactive | Private/Independent School | Frisco | TX |
| Legacy Prep | Inactive | Charter School | Birmingham | AL |
| Leila Day Nurseries | Inactive | Private/Independent School | New Haven | CT |
| Leominster Public Schools | Inactive | Public School District | Leominster | MA |
| Lesley Ellis School | Active | Private/Independent School | Arlington | MA |
| Lexington Christian Academy | Inactive | Private/Independent School | Lexington | MA |
| Lexington Montessori School | Inactive | Private/Independent School | Lexington | MA |
| Lexington Public Schools | Inactive | Public School District | Lexington | MA |
| Lexington School, The | Active | Private/Independent School | Lexington | KY |
| LFSF | Inactive | Private/Independent School | SAN FRANCISCO | CA |
| LGBT Center OC | Inactive | Non-Profit Organization [Non School] | Santa Ana | CA |
| Liberty Grove Schools | Inactive | Charter School | Indianapolis | IN |
| Liberty STEAM Charter School | Inactive | Charter School | Sumter | SC |
| Lick-Wilmerding High School | Active | Private/Independent School | San Francisco | CA |
| LIFE Male Steam Academy | Inactive | Charter School | Pittsburgh | PA |
| Lillie May Carrol Jackson School | Inactive | Charter School | Baltimore | MD |
| Lincoln Charter School | Active | Charter School | York | PA |
| Lincoln Memorial University | Inactive | College/University | Harrogate | TN |
| Lincoln Public Schools | Inactive | Public School District | Lincoln | MA |
| Lincoln School | Inactive | Private/Independent School | Providence | RI |
| Lincoln University | Inactive | College/University | Lincoln University | PA |
| Linden Waldorf School | Inactive | Private/Independent School | Nashville | TN |
| Link Community Charter School | Active | Charter School | Newark | NJ |
| Linsly School, The | Inactive | Private/Independent School | Wheeling | WV |
| Lipscomb Academy | Inactive | Private/Independent School | Nashville | TN |
| Literacy Trust Inc | Inactive | Non-Profit Organization [Non School] | NEW YORK | NY |
| Little Bird | Inactive | Charter School | New York | NY |
| Little Red School House & Elisabeth Irwin High School- LREI | Active | Private/Independent School | New York | NY |
| Little Red School House and Elisabeth Irwin High S | Inactive | Private/Independent School | New York | NY |
| Little School, The [CA] | Inactive | Private/Independent School | San Francisco | CA |
| Little School, The [WA] | Inactive | Private/Independent School | Bellevue | WA |
| Live Oak School | Inactive | Private/Independent School | San Francisco | CA |
| Livermore Valley Joint Unified School District | Inactive | Public School District | Livermore | CA |
| Livingston Board of Education | Inactive | Public School District | Livingston | NJ |
| Logan School, The | Inactive | Private/Independent School | Denver | CO |
| Long Ridge School, The | Inactive | Private/Independent School | Stamford | CT |
| Loomis Chaffee School | Inactive | Private/Independent School | Windsor | CT |
| Loras College | Inactive | College/University | Dubuque | IA |
| Los Angeles Unified School District | Inactive | Public School District | Los Angeles | CA |
| Los Encinos School | Inactive | Private/Independent School | Encino | CA |
| Loudoun County Public Schools | Inactive | Public School District | Ashburn | VA |
| Louise S McGehee School | Inactive | Private/Independent School | New Orleans | LA |
| Louisiana State University | Inactive | College/University | Baton Rouge | LA |
| Lovett School, The | Inactive | Private/Independent School | Atlanta | GA |
| Lowell Community Charter Public School | Inactive | Charter School | Lowell | MA |
| Lowell School | Inactive | Private/Independent School | Washington | DC |
| Lower Merion School District | Inactive | Public School [Stand Alone] | Ardmore | PA |
| Lower Moreland Township School District | Inactive | Public School District | Huntingdon Valley | PA |
| Loyola Blakefield | Inactive | Private/Independent School | Towson | MD |
| Loyola Early Learning Center | Inactive | Non-Profit Organization [Non School] | BALTIMORE | MD |
| LSF Head Start | Inactive | Private/Independent School | Largo | FL |
| Lycée Français de New York | Active | Private/Independent School | New York | NY |
| Lycee Rochambeau French International School | Inactive | Private/Independent School | Bethesda | MD |
| Lynch Leadership Academy, Boston College | Inactive | Non-Profit Organization [Non School] | Chestnut Hill | MA |
| Lynchburg City Schools | Inactive | Public School [Stand Alone] | Lynchburg | VA |
| Lyndon Institute | Inactive | Private/Independent School | Lyndonville | VT |
| Lynn Public Schools | Inactive | Public School District | Lynn | MA |
| MA Interscholastic Athletic Assoc. (MIAA) | Inactive | Private/Independent School | Franklin | MA |
| Mac Duffie School | Inactive | Private/Independent School | Springfield | MA |
| Maclay School | Inactive | Private/Independent School | Tallahassee | FL |
| Mad Science of the Bay Area | Inactive | Business/Corporation | Fremont | CA |
| Madeira School, The | Active | Private/Independent School | McLean | VA |
| Madison City Schools | Inactive | Public School [Stand Alone] | Madison | AL |
| Madison Country Day School | Inactive | Private/Independent School | Waunake | WI |
| Madison Metropolitan School District | Inactive | Public School District | Madison | WI |
| Magellan International School, The | Inactive | Private/Independent School | Austin | TX |
| Magnificat High School | Inactive | Private/Independent School | Rocky River | OH |
| Magoosh | Inactive | Business/Corporation | Berkeley | CA |
| Maine Township High School District 207 | Inactive | Public School District | Park Ridge | IL |
| Malden Catholic High School | Inactive | Private/Independent School | Malden | MA |
| Malden Public Schools | Inactive | Public School District | Malden | MA |
| Malvern Preparatory School | Inactive | Private/Independent School | Malvern | PA |
| Mamaroneck UFSD | Active | Public School District | Mamaroneck | NY |
| Manassas City Public School | Inactive | Public School [Stand Alone] | Manassas | VA |
| Manchester Regional High School | Inactive | Public School District | Haledon | NJ |
| Manhattan Charter Schools | Inactive | Charter School | New York | NY |
| Manhattan Country School | Inactive | Private/Independent School | New York | NY |
| Manhattan-Ogden USD 383 | Inactive | Public School District | Manhattan | KS |
| Manlius Pebble Hill School | Inactive | Private/Independent School | Syracuse | NY |
| Manny Cantor Center | Inactive | Public School [Stand Alone] | New York | NY |
| Mansfield Public Schools | Inactive | Public School District | Mansfield | MA |
| Marburn Academy | Inactive | Private/Independent School | New Albany | OH |
| Maret School | Active | Private/Independent School | Washington | DC |
| Marianapolis Preparatory School | Inactive | Private/Independent School | Thompson | CT |
| Marin Academy | Inactive | Private/Independent School | San Rafael | CA |
| Marin Country Day School | Inactive | Private/Independent School | Corte Madera | CA |
| Marin Primary & Middle School | Active | Private/Independent School | Larkspur | CA |
| Marion County Public Schools | Inactive | Public School [Stand Alone] | Ocala | FL |
| Marion P. Thomas Charter School | Inactive | Charter School | Newark | NJ |
| Marist School | Inactive | Private/Independent School | Atlanta | GA |
| Mark Day School | Inactive | Private/Independent School | San Rafael | CA |
| Marlborough | Inactive | Private/Independent School | Los Angeles | CA |
| Marlborough School | Active | Private/Independent School | Los Angeles | CA |
| Marquette University High School | Inactive | Private/Independent School | Milwaukee | WI |
| Martin County School District | Inactive | Public School District | Stuart | FL |
| Martin Luther King, Jr. Charter School | Active | Non-Profit Organization [Non School] | Springfield | MA |
| Mary McDowell Friends School | Inactive | Private/Independent School | Brooklyn | NY |
| Maryland International Day School | Inactive | Private/Independent School | Oxon Hill | MD |
| Marymount High School | Inactive | Private/Independent School | Los Angeles | CA |
| Marymount Manhattan College | Inactive | College/University | New York | NY |
| Marymount School of New York | Inactive | Private/Independent School | New York | NY |
| Maryvale Preparatory School | Active | Private/Independent School | Lutherville | MD |
| Mass Audubon | Inactive | Non-Profit Organization [Non School] | Lincoln | MA |
| Mass Partnership for Diversity in Education | Inactive | Business/Corporation | West Yarmouth | MA |
| Mass STEM Hub, a program of the One8 Foundation | Inactive | Non-Profit Organization [Non School] | Boston | MA |
| Massachusetts Charter Public School Association | Inactive | Non-Profit Organization [Non School] | Hudson | MA |
| Massachusetts College of Art and Design | Inactive | College/University | Boston | MA |
| Massachusetts Higher Education dba American Student Assistance | Inactive | Non-Profit Organization [Non School] | Boston | MA |
| Massachusetts Historical Society | Inactive | Non-Profit Organization [Non School] | Boston | MA |
| Massasoit Community College | Inactive | College/University | Brockton | MA |
| MassBay Community College | Inactive | College/University | Wellesley Hills | MA |
| Massillon City School District | Inactive | Public School [Stand Alone] | MASSILLON | OH |
| MasT Community Charter School | Inactive | Charter School | Yardley | PA |
| Masters School, The | Inactive | Private/Independent School | Dobbs Ferry | NY |
| Mastery Schools | Inactive | Charter School | Philadelphia | PA |
| Matawan-Aberdeen Regional School District | Inactive | Public School District | Aberdeen | NJ |
| Match Education | Inactive | Charter School | Boston | MA |
| Mater Dei School | Inactive | Private/Independent School | Bethesda | MD |
| Mayfield Junior School | Inactive | Private/Independent School | Pasadena | CA |
| Mayfield Senior School of the Holy Child Jesus | Inactive | Private/Independent School | Pasadena | CA |
| McCallie School | Inactive | Private/Independent School | Chattanooga | TN |
| McDonogh School | Active | Private/Independent School | Owings Mills | MD |
| McGillis School, The | Inactive | Private/Independent School | Salt Lake City | UT |
| McLean School | Active | Private/Independent School | Potomac | MD |
| McQuaid Jesuit | Inactive | Private/Independent School | Rochester | NY |
| Meadowbrook School | Active | Private/Independent School | Weston | MA |
| Measures for Justice | Inactive | Non-Profit Organization [Non School] | Rochester | NY |
| Medford Public Schools | Active | Public School District | Medford | MA |
| Media Providence Friends School | Inactive | Private/Independent School | Media | PA |
| Medical University of South Carolina | Inactive | College/University | Charleston | SC |
| Meeting Street Academy | Inactive | Private/Independent School | Charleston | SC |
| Menachem Mendel Academy | Inactive | Non-Profit Organization [Non School] | Phoenix | AZ |
| Menlo School | Inactive | Private/Independent School | Atherton | CA |
| Mercersburg Academy | Inactive | Private/Independent School | Mercersburg | PA |
| Mercy High School, San Francisco | Inactive | Non-Profit Organization [Non School] | SAN FRANCISCO | CA |
| Mercy Montessori Center | Inactive | Private/Independent School | Cincinnati | OH |
| Meridian Academy | Active | Private/Independent School | Jamaica Plain | MA |
| Meridian School, The | Inactive | Private/Independent School | Seattle | WA |
| Meridian School, The | Inactive | Private/Independent School | Seattle | WA |
| Merion Mercy Academy | Inactive | Private/Independent School | Merion Station | PA |
| MESA Charter High School | Inactive | Charter School | Brooklyn | NY |
| Met High School, The | Active | Public School [Stand Alone] | Providence | RI |
| Metairie Park Country Day School | Inactive | Private/Independent School | Metairie | LA |
| Methuen Public Schools | Inactive | Public School District | Methuen | MA |
| MHMR Tarrant County | Inactive | Non-Profit Organization [Non School] | Fort Worth | TX |
| Miami Country Day School | Inactive | Private/Independent School | Miami | FL |
| Miami Valley School, The | Inactive | Private/Independent School | Dayton | OH |
| MICDS | Inactive | Private/Independent School | Saint Louis | MO |
| Michigan Leadership Institute | Inactive | Non-Profit Organization [Non School] | Flint | MI |
| Michigan State University | Inactive | College/University | East Lansing | MI |
| Michigan State University - CANR | Inactive | College/University | East Lansing | MI |
| Mid-Peninsula High School | Inactive | Private/Independent School | Menlo Park | CA |
| Middle Way School | Inactive | Private/Independent School | Saugerties | NY |
| Middlebury College | Inactive | College/University | Middlebury | VT |
| Middlesex School | Active | Private/Independent School | Concord | MA |
| Midland School | Inactive | Private/Independent School | Los Olivos | CA |
| Midtown International School | Inactive | Private/Independent School | Atlanta | GA |
| Mill Springs Academy | Inactive | Private/Independent School | Alpharetta | GA |
| Millbrook School | Inactive | Private/Independent School | Millbrook | NY |
| Millburn Schools | Inactive | Public School District | Wadsworth | IL |
| Millennium School | Active | Private/Independent School | San Francisco | CA |
| Miller School of Albemarle | Inactive | Private/Independent School | Charlottesville | VA |
| Milltown Public Schools | Active | Public School District | Milltown | NJ |
| Milpitas Unified School District | Inactive | Public School District | Milpitas | CA |
| Milton Academy | Active | Private/Independent School | Milton | MA |
| Milton Hershey School | Inactive | Private/Independent School | Hershey | PA |
| Milton Public Schools | Active | Public School District | Milton | MA |
| MINE, ME & US Montessori School | Inactive | Private/Independent School | Blacksburg | VA |
| Minnehaha Academy | Inactive | Private/Independent School | Minneapolis | MN |
| Miquon School, The | Inactive | Private/Independent School | Conshohocken | PA |
| Mirman School | Active | Private/Independent School | Los Angeles | CA |
| Miss Hall's School | Active | Private/Independent School | Pittsfield | MA |
| Miss Porter's School | Active | Private/Independent School | Farmington | CT |
| Mission Be | Inactive | Non-Profit Organization [Non School] | Mountain View | CA |
| Missouri University of Science & Technology | Inactive | College/University | Rolla | MO |
| MMI Preparatory School | Inactive | Private/Independent School | Freeland | PA |
| Monica Ros School | Inactive | Private/Independent School | Ojai | CA |
| Montclair Cooperative School | Inactive | Private/Independent School | Montclair | NJ |
| Montclair Kimberley Academy | Inactive | Private/Independent School | Montclair | NJ |
| Montclair State University | Inactive | College/University | Upper Montclair | NJ |
| Montessori Community School | Inactive | Private/Independent School | Durham | NC |
| Montessori For All | Inactive | Charter School | Austin | TX |
| Montessori School of Durham | Active | Private/Independent School | Durham | NC |
| Montessori School of Northampton | Inactive | Private/Independent School | Northampton | MA |
| Montgomery Academy, The | Inactive | Private/Independent School | Montgomery | AL |
| Montgomery County Intermediate Unit | Inactive | Public School District | Norristown | PA |
| Montgomery County Public Schools | Inactive | Public School District | Rockville | MD |
| Montgomery School | Inactive | Private/Independent School | Chester Springs | PA |
| Montgomery Township School District | Inactive | Public School District | Skillman | NJ |
| Monticello Central School District | Inactive | Public School District | Monticello | NY |
| Montverde Academy | Inactive | Private/Independent School | Montverde | FL |
| Moorestown Friends School | Inactive | Private/Independent School | MOORESTOWN | NJ |
| Moraine Valley Community College | Inactive | College/University | Chicago | |
| Moravian Academy | Inactive | Private/Independent School | Bethlehem | PA |
| More Than Words | Inactive | Non-Profit Organization [Non School] | Waltham | MA |
| Morris Catholic High School | Inactive | Private/Independent School | Denville | NJ |
| Morristown-Beard School | Active | Private/Independent School | Morristown | NJ |
| Moses Brown School | Active | Private/Independent School | Providence | RI |
| MOT Charter School | Inactive | Charter School | Middletown | DE |
| Mother Caroline Academy & Education Center | Inactive | Private/Independent School | Dorchester | MA |
| Mott Community College | Inactive | College/University | Flint | MI |
| Mott Haven Academy Charter School | Inactive | Charter School | Bronx | NY |
| Mount Alvernia Academy | Inactive | Private/Independent School | Newton | MA |
| Mount Holly Township Public Schools | Inactive | Public School District | Mount Holly | NJ |
| Mount Paran Christian | Inactive | Private/Independent School | Kennesaw | GA |
| Mount Pisgah Christian School | Active | Private/Independent School | Johns Creek | GA |
| Mount Saint Joseph Academy | Inactive | Private/Independent School | Flourtown | PA |
| Mount Tamalpais School | Inactive | Private/Independent School | Mill Valley | CA |
| Mount Vernon School, The | Inactive | Private/Independent School | Atlanta | GA |
| Mountain School of Milton Academy | Inactive | Private/Independent School | Vershire | VT |
| Mt. Lebanon School District | Inactive | Public School District | PITTSBURGH | PA |
| Mundo Verde Bilingual Public Charter School | Inactive | Charter School | Washington | DC |
| Museum of Science and Industry, The | Inactive | Non-Profit Organization [Non School] | Chicago | IL |
| Mystic Valley Regional Charter School | Inactive | Charter School | Malden | MA |
| Nashoba Brooks School | Active | Private/Independent School | Concord | MA |
| Nashua School District | Inactive | Public School District | Nashua | NH |
| Natick Public Schools | Inactive | Public School District | Natick | MA |
| National Association of Charter School Authorizers | Inactive | Non-Profit Organization [Non School] | Chicago | IL |
| National Association of Episcopal Schools | Inactive | Non-Profit Organization [Non School] | New York | NY |
| National Cathedral School | Active | Private/Independent School | Washington | DC |
| National Center for Montessori in the Public Sector | Inactive | Non-Profit Organization [Non School] | Washington | DC |
| National Child Research Center | Inactive | Private/Independent School | Washington | DC |
| National Collegiate Preparatory Public Charter High School | Inactive | Charter School | Washington | DC |
| National Equity Project | Inactive | Business/Corporation | Oakland | CA |
| National Geographic Society | Inactive | Non-Profit Organization [Non School] | Washington | DC |
| National Presbyterian School | Active | Private/Independent School | Washington | DC |
| Nativity Preparatory School of Boston | Inactive | Private/Independent School | Jamaica Plain | MA |
| Nativity School Worcester | Inactive | Private/Independent School | Worcester | MA |
| Near North Montessori School | Inactive | Private/Independent School | Chicago | IL |
| Needham Public Schools | Inactive | Public School District | Needham | MA |
| Neighborhood House Charter School | Active | Charter School | Dorchester | MA |
| Neighborhood Schools, Inc. | Inactive | Private/Independent School | Jamaica Plain | MA |
| Neighborhood Villages | Inactive | Non-Profit Organization [Non School] | Jamaica Plain | MA |
| NEMNET | Active | Business/Corporation | West Orange | NJ |
| Network for Teaching Entrepreneurship | Inactive | Business/Corporation | New York | NY |
| NEU College of Criminal Justice | Inactive | College/University | Boston | MA |
| New Albany Floyd County Schools | Inactive | Public School District | New Albany | IN |
| New Amsterdam School | Inactive | Private/Independent School | New York | NY |
| New Art Center, The | Inactive | Non-Profit Organization [Non School] | Newtonville | MA |
| New Bedford Public Schools | Inactive | Public School District | New Bedford | MA |
| New Beginnings Family Academy | Inactive | Public School [Stand Alone] | Bridgeport | CT |
| New Canaan Country School | Active | Private/Independent School | New Canaan | CT |
| New England Association of Schools and Colleges | Inactive | Non-Profit Organization [Non School] | Burlington | MA |
| New Hampton School | Active | Private/Independent School | New Hampton | NH |
| New Haven Job Corps | Inactive | Non-Profit Organization [Non School] | New Haven | CT |
| New Haven Public Schools | Inactive | Public School District | New Haven | CT |
| New Heights Charter School of Brockton | Inactive | Charter School | Brockton | MA |
| New Hope Christian Academy | Inactive | Private/Independent School | Memphis | TN |
| New Jersey SEEDS, Inc. | Inactive | Non-Profit Organization [Non School] | Newark | NJ |
| New Leaders For New Schools | Baltimore | Inactive | Non-Profit Organization [Non School] | Baltimore | MD |
| New Leaders For New Schools | Bay Area | Inactive | Non-Profit Organization [Non School] | San Francisco | CA |
| New Leaders for New Schools | Chicago | Inactive | Non-Profit Organization [Non School] | Chicago | IL |
| New Leaders for New Schools | DC | Inactive | Non-Profit Organization [Non School] | Washington | DC |
| New Leaders For New Schools | Memphis | Inactive | Non-Profit Organization [Non School] | Memphis | TN |
| New Leaders For New Schools | National | Inactive | Non-Profit Organization [Non School] | New York | NY |
| New Leaders For New Schools | New Orleans | Inactive | Non-Profit Organization [Non School] | New Orleans | LA |
| New Leaders For New Schools | Newark, NJ | Inactive | Non-Profit Organization [Non School] | Newark | NJ |
| New London Public Schools | Inactive | Public School District | New London | CT |
| New Roads School | Inactive | Private/Independent School | Santa Monica | CA |
| New School Montessori, The | Inactive | Private/Independent School | Cincinnati | OH |
| New School of San Francisco, The | Inactive | Charter School | San Francisco | CA |
| New Schools for New Orleans | Inactive | Non-Profit Organization [Non School] | New Orleans | LA |
| New Song Community Learning Center | Inactive | Charter School | Baltimore | MD |
| New Teacher Project | Inactive | Non-Profit Organization [Non School] | New York | NY |
| New Visions for Public Schools | Inactive | Non-Profit Organization [Non School] | New York | NY |
| New York State Association of Independent Schools | Inactive | Non-Profit Organization [Non School] | Albany | NY |
| New York University | Inactive | College/University | New York | NY |
| Newark Academy | Inactive | Private/Independent School | Livingston | NJ |
| Newark Prep Charter School | Inactive | Charter School | Newark | NJ |
| Newman School, The | Inactive | Private/Independent School | Boston | MA |
| Newton Public Schools | Inactive | Public School District | Newton | MA |
| Newtown Friends School | Inactive | Private/Independent School | Newtown | PA |
| Nichols School | Inactive | Private/Independent School | Buffalo | NY |
| Nightingale-Bamford School | Active | Private/Independent School | New York | NY |
| Niskayuna Central School District | Inactive | Public School District | Niskayuna | NY |
| NJSchoolJobs.com | Inactive | Business/Corporation | Manahawkin | NJ |
| Noble and Greenough School | Active | Private/Independent School | Dedham | MA |
| Nora School, The | Inactive | Private/Independent School | Silver Spring | MD |
| Norfolk Academy | Inactive | Private/Independent School | Norfolk | VA |
| Norfolk Collegiate School | Inactive | Private/Independent School | Norfolk | VA |
| North Andover Public Schools | Inactive | Public School District | North Andover | MA |
| North Branch School | Inactive | Private/Independent School | Ripton | VT |
| North Cambridge Catholic High School | Inactive | Private/Independent School | Cambridge | MA |
| North Carolina Nurses Association | Inactive | Non-Profit Organization [Non School] | Raleigh | NC |
| North Carolina State University | Inactive | College/University | Raleigh | NC |
| North Clackamas School District | Inactive | Public School District | Milwaukie | OR |
| North Country School & Camp Treetops | Inactive | Private/Independent School | Lake Placid | NY |
| North Kitsap School District | Inactive | Public School District | Poulsbo | WA |
| North Park Elementary School | Inactive | Private/Independent School | Chicago | IL |
| North Penn School District | Inactive | Public School District | Lansdale | PA |
| North Shore Country Day School | Inactive | Private/Independent School | Winnetka | IL |
| North Shore School District 112 | Inactive | Public School District | Highland Park | IL |
| North Star Academy Charter School | Inactive | Charter School | Newark | NJ |
| North Star College Preparatory For Boys | Inactive | Charter School | Washington | DC |
| Northeastern University | Inactive | College/University | Boston | MA |
| Northeastern University Div. of TT | Inactive | College/University | Boston | MA |
| Northern Arizona University | Inactive | College/University | Flagstaff | AZ |
| Northern Arizona University Human Resourses | Inactive | College/University | Flagstaff | AZ |
| Northern Arizona University, Cline Library | Inactive | College/University | Flagstaff | AZ |
| Northfield Mount Hermon | Active | Private/Independent School | Mount Hermon | MA |
| Northstar Academy | Inactive | Private/Independent School | Henrico | VA |
| Northwest Catholic High School | Inactive | Private/Independent School | West Hartford | CT |
| Northwest Christian School | Inactive | Private/Independent School | Phoenix | AZ |
| Northwest School, The | Inactive | Private/Independent School | Seattle | WA |
| Northwestern University | Inactive | College/University | Evanston | IL |
| Northwestern University | Inactive | College/University | Evanston | IL |
| Northwestern University | Inactive | College/University | Chicago | IL |
| Northwood Academy Charter School | Inactive | Charter School | Philadelphia | PA |
| Nortthshore School District No. 417 | Inactive | Public School District | Bothell | WA |
| Norwalk Public Schools | Inactive | Public School District | Norwalk | CT |
| Norwich Free Academy, The | Inactive | Private/Independent School | Norwich | CT |
| Norwood School | Inactive | Private/Independent School | Bethesda | MD |
| Notre Dame Academy | Inactive | Private/Independent School | Worcester | MA |
| Notre Dame Academy Schools of Los Angeles | Inactive | Private/Independent School | Los Angeles | CA |
| Notre Dame High School | Inactive | Private/Independent School | West Haven | CT |
| Notre Dame High School San Jose | Inactive | Private/Independent School | San Jose | CA |
| Notre Dame Preparatory School | Inactive | Private/Independent School | Towson | MD |
| NSU University School | Inactive | Private/Independent School | Davie | FL |
| Nueva School, The | Inactive | Private/Independent School | San Mateo | CA |
| Nyack Public Schools | Inactive | Public School District | Nyack | NY |
| NYC Center for Charter School Excellence | Inactive | Non-Profit Organization [Non School] | New York | NY |
| NYC Department of Education | Inactive | Other | New York | NY |
| NYC Kids RISE | Inactive | Non-Profit Organization [Non School] | Long Island City | NY |
| OAIS Ohio Association of Independent Schools | Inactive | Non-Profit Organization [Non School] | Sudbury | OH |
| Oak Grove School | Inactive | Private/Independent School | Ojai | CA |
| Oak Hall School | Inactive | Private/Independent School | Gainesville | FL |
| Oak Hill School | Inactive | Private/Independent School | Nashville | TN |
| Oak Knoll School of the Holy Child | Active | Private/Independent School | Summit | NJ |
| Oak Meadow School | Inactive | Private/Independent School | Littleton | MA |
| Oakhill Day School | Inactive | Private/Independent School | Gladstone | MO |
| Oakland School for the Arts | Inactive | Charter School | Oakland | CA |
| Oakland Unified School District (OUSD) | Inactive | Public School District | Oakland | CA |
| Oakridge School, The | Inactive | Private/Independent School | Arlington | TX |
| Oakwood Friends School | Inactive | Private/Independent School | Poughkeepsie | NY |
| Oakwood School | Inactive | Private/Independent School | North Hollywood | CA |
| Oakwood School: The Creative Center of Los Altos | Inactive | Private/Independent School | Morgan Hill | CA |
| Occidental College | Inactive | College/University | Los Angeles | CA |
| Ocean City Board of Education | Inactive | Public School District | Ocean City | NJ |
| Ohio State University Knowlton School, The | Inactive | College/University | Columbus | OH |
| Ohio State University, The | Inactive | College/University | Columbus | OH |
| Old Sturbridge Academy Charter Public School | Inactive | Charter School | Sturbridge | MA |
| Old Trail School | Inactive | Private/Independent School | Bath | OH |
| Oldfields School | Active | Private/Independent School | Sparks Glencoe | MD |
| Olentangy Local Schools | Inactive | Public School District | Lewis Center | OH |
| Oliver Scholars Program, The | Active | Non-Profit Organization [Non School] | New York | NY |
| OnePurpose School | Inactive | Charter School | San Francisco | CA |
| Open Window School | Active | Private/Independent School | Bellevue | WA |
| Orange County Public Schools | Inactive | Public School District | Orlando | FL |
| Orchard House School | Inactive | Private/Independent School | Richmond | VA |
| Orchard School | Active | Private/Independent School | Indianapolis | IN |
| Oregon Episcopal School | Inactive | Private/Independent School | Portland | OR |
| Oregon Health and Sciences University | Inactive | College/University | Portland | OR |
| Oregon Trail School District | Inactive | Public School District | Sandy | OR |
| Osseo Area Schools | Inactive | Public School District | Maple Grove | MN |
| Ottawa University | Inactive | College/University | Ottawa | KS |
| Our Lady of Good Counsel High School | Active | Private/Independent School | Olney | MD |
| Our Lady of Grace Catholic School | Inactive | Private/Independent School | Greensboro | NC |
| Our Sisters' School | Inactive | Private/Independent School | New Bedford | MA |
| Out-of-Door Academy, The | Active | Private/Independent School | Sarasota | FL |
| Outdoor Academy | Inactive | Private/Independent School | Pisgah Forest | NC |
| Overbrook School for the Blind | Inactive | Private/Independent School | Philadelphia | PA |
| Overlake School, The | Active | Private/Independent School | Redmond | WA |
| Overtime Elite | Inactive | Other | Brooklyn | NY |
| Oxbow School, The | Inactive | Private/Independent School | Napa | CA |
| Oxbridge Academy | Active | Private/Independent School | West Palm Beach | FL |
| P.S. 191 | Inactive | Public School [Stand Alone] | New York | NY |
| PA Virtual Charter School | Inactive | Public School [Stand Alone] | King of Prussia | PA |
| Pace Academy | Inactive | Private/Independent School | Atlanta | GA |
| Pace University | Inactive | College/University | New York | NY |
| Pacific Collegiate School | Inactive | Charter School | Santa Cruz | CA |
| Pacific Ridge School | Active | Private/Independent School | Carlsbad | CA |
| Packer Collegiate Institute | Active | Private/Independent School | Brooklyn | NY |
| Padua Franciscan High School | Inactive | Private/Independent School | Parma | OH |
| Paideia School | Inactive | Private/Independent School | Atlanta | GA |
| Painesville City Local Schools | Inactive | Public School District | Painesville | OH |
| Palisades Episcopal School | Inactive | Private/Independent School | Charlotte | NC |
| Palm Beach Day Academy | Inactive | Private/Independent School | Palm Beach | FL |
| Palmer Trinity School | Inactive | Private/Independent School | Palmetto Bay | FL |
| Palo Alto Unified School District | Inactive | Public School District | Palo Alto | CA |
| Parish Episcopal School | Active | Private/Independent School | Dallas | TX |
| Parish School, The | Inactive | Private/Independent School | Houston | TX |
| Park Day School | Inactive | Private/Independent School | Oakland | CA |
| Park School | Active | Private/Independent School | Brookline | MA |
| Park School [NY] | Inactive | Private/Independent School | Buffalo | NY |
| Park School of Baltimore | Inactive | Private/Independent School | Baltimore | MD |
| Park Tudor School | Active | Private/Independent School | Indianapolis | IN |
| Parkmont School | Inactive | Private/Independent School | Washington | DC |
| Paul Cuffee School | Inactive | Charter School | Providence | RI |
| Paul Public Charter School | Inactive | Charter School | Washington | DC |
| Paulo Freire Charter School | Inactive | Charter School | Newark | NJ |
| PC Manchester Regional Board of Education | Inactive | Public School [Stand Alone] | Haledon | NJ |
| Peabody School | Inactive | Private/Independent School | Charlottesville | VA |
| Peck School, The | Active | Private/Independent School | Morristown | NJ |
| Peddie School | Inactive | Private/Independent School | Highstown | NJ |
| Pegasus School, The | Active | Private/Independent School | Huntington Beach | CA |
| Pelham Public Schools | Active | Public School District | Pelham | NY |
| Pembroke Hill School | Active | Private/Independent School | Kansas City | MO |
| Penfield Central School District | Inactive | Public School District | Penfield | NY |
| Peninsula Jewish Community Center | Inactive | Non-Profit Organization [Non School] | Foster City | CA |
| Peninsula School | Inactive | Private/Independent School | Menlo Park | CA |
| Penn Arts and Sciences | Inactive | College/University | Philadelphia | PA |
| Pennington School, The | Inactive | Private/Independent School | Pennington | NJ |
| Pennsylvania Immigration Resource Center | Inactive | Non-Profit Organization [Non School] | York | PA |
| People's Prep Charter School | Inactive | Charter School | Newark | NJ |
| Peoples Academy - Morrisville, VT | Inactive | Public School District | Morrisville | VT |
| Peoria Academy | Inactive | Private/Independent School | Peoria | IL |
| Perkiomen School | Inactive | Private/Independent School | Pennsburg | PA |
| Perspectives Charter Schools | Inactive | Charter School | Chicago | IL |
| Pew Charitable Trusts, The | Inactive | Non-Profit Organization [Non School] | Washington | DC |
| Phelps School, The | Inactive | Private/Independent School | Malvern | PA |
| Philadelphia School, The | Inactive | Private/Independent School | Philadelphia | PA |
| Philip's Academy Charter Schools | Inactive | Charter School | Newark | NJ |
| Phillips Academy | Active | Private/Independent School | Andover | MA |
| Phillips Brooks School | Inactive | Private/Independent School | Menlo Park | CA |
| Phillips Exeter Academy | Inactive | Private/Independent School | Exeter | NH |
| Phoenix Charter Academy | Active | Charter School | Chelsea | MA |
| Phoenix Country Day School | Active | Private/Independent School | Paradise Valley | AZ |
| Phoenixville Area School District | Inactive | Public School District | Phoenixville | PA |
| Pike School, The | Inactive | Private/Independent School | Andover | MA |
| Pine Cobble School | Inactive | Private/Independent School | Williamstown | MA |
| Pine Crest School | Inactive | Private/Independent School | Fort Lauderdale | FL |
| Pine Lake Preparatory | Inactive | Charter School | Mooresville | NC |
| Pinellas County Schools | Inactive | Public School District | Largo | FL |
| Pinewood School | Inactive | Private/Independent School | Los Altos | CA |
| Pingree School | Active | Private/Independent School | South Hamilton | MA |
| Pingry School | Active | Private/Independent School | Basking Ridge | NJ |
| Pioneer Valley Performing Arts Charter Public School | Inactive | Charter School | South Hadley | MA |
| Pittsfield Public School District | Inactive | Public School District | Pittsfield | MA |
| Pitzer College | Inactive | College/University | Claremont | CA |
| PlayArts | Inactive | Private/Independent School | Philadelphia | PA |
| Pluralistic School Inc. | Active | Private/Independent School | Santa Monica | CA |
| Plymouth Meeting Friends School | Inactive | Private/Independent School | Plymouth Meeting | PA |
| Polk County Public Schools | Inactive | Public School District | Bartow | FL |
| Poly Prep Country Day School | Active | Private/Independent School | Brooklyn | NY |
| Polytechnic School | Inactive | Private/Independent School | Pasadena | CA |
| Pomfret School | Active | Private/Independent School | Pomfret | CT |
| Porter-Gaud School | Active | Private/Independent School | Charleston | SC |
| Portland Community College | Inactive | College/University | Portland | OR |
| Portland Public Schools | Inactive | Public School District | Portland | ME |
| Portland State Univ | Inactive | College/University | Portland | OR |
| Portland State University- MME | Inactive | College/University | Portland | OR |
| Portledge School | Inactive | Private/Independent School | Locust Valley | NY |
| Post Oak School, The | Active | Private/Independent School | Bellaire | TX |
| Potomac Conservancy | Inactive | Non-Profit Organization [Non School] | Silver Spring | MD |
| Potomac School, The | Inactive | Private/Independent School | McLean | VA |
| Poughkeepsie Day School | Inactive | Private/Independent School | Poughkeepsie | NY |
| Power of Two | Inactive | Non-Profit Organization [Non School] | Brooklyn | NY |
| Powhatan School | Inactive | Private/Independent School | Boyce | VA |
| Prairie School, The | Inactive | Private/Independent School | Wind Point | WI |
| Prep for Prep | Inactive | Private/Independent School | New York | NY |
| Presbyterian School | Inactive | Private/Independent School | Houston | TX |
| Presidio Hill School | Inactive | Private/Independent School | San Francisco | CA |
| Presidio Hill School | Inactive | Private/Independent School | San Francisco | CA |
| Prestonwood Christian Academy | Inactive | Private/Independent School | Plano | TX |
| Prince Edward County Public Schools | Inactive | Public School District | Farmville | VA |
| Prince George's County Public Schools | Inactive | Public School District | Upper Marlboro | MD |
| Prince William County Public Schools | Active | Public School District | Manassas | VA |
| Princeton Academy of the Sacred Heart | Inactive | Private/Independent School | Princeton | NJ |
| Princeton Day School | Active | Private/Independent School | Princeton | NJ |
| Princeton Friends School | Inactive | Private/Independent School | Princeton | NJ |
| Princeton Montessori School | Inactive | Private/Independent School | Princeton | NJ |
| Princeton Theological Seminary | Inactive | Private/Independent School | Princeton | NJ |
| Proctor Academy | Inactive | Private/Independent School | Andover | NH |
| Prodeo Academy | Inactive | Charter School | Minneapolis | MN |
| Professional Children's School | Inactive | Private/Independent School | New York | NY |
| Project Commotion | Inactive | Non-Profit Organization [Non School] | San Francisco | CA |
| Project Ember | Inactive | Program [Summer/Seasonal] | Berkeley | CA |
| Prospect Hill Academy Charter School | Inactive | Charter School | Cambridge | MA |
| Prospect Schools | Inactive | Charter School | Brooklyn | NY |
| Prosper ISD | Inactive | Public School District | PROSPER | TX |
| Providence Christian Academy | Inactive | Private/Independent School | Lilburn | GA |
| Providence Country Day School | Inactive | Private/Independent School | East Providence | RI |
| Providence Day School | Inactive | Private/Independent School | Charlotte | NC |
| Providence Public School Dept. | Inactive | Public School District | providence | RI |
| Providence School | Inactive | Private/Independent School | Jacksonville | FL |
| Public Preparatory Network | Inactive | Non-Profit Organization [Non School] | New York | NY |
| Public Schools of Brookline, The | Inactive | Public School District | Brookline | MA |
| Public Schools of the Tarrytowns | Inactive | Public School District | Tarrytown | NY |
| Public Schools Personnel Cooperative | Inactive | Public School [Stand Alone] | Olympia | |
| Puget Sound Community School | Inactive | Private/Independent School | Seattle | WA |
| Pulaski Academy | Inactive | Private/Independent School | Little Rock | AR |
| Punahou School | Active | Private/Independent School | Honolulu | HI |
| Purdue University | Inactive | College/University | West Lafayette | IN |
| Putney School, The | Inactive | Private/Independent School | Putney | VT |
| Quad Preparatory School, The | Active | Private/Independent School | New York | NY |
| Quakertown Community School District | Inactive | Public School District | Quakertown | PA |
| Quest Forward Academy | Inactive | Private/Independent School | Bellevue | NE |
| Rabun Gap School | Inactive | Private/Independent School | Rabun Gap | GA |
| Radnor Township School District | Inactive | Public School District | Wayne | PA |
| Raleigh School, The | Inactive | Private/Independent School | Raleigh | NC |
| Rancocas Valley Regional High School | Inactive | Public School District | Mt. Holly | NJ |
| Randolph Public Schools | Inactive | Public School District | Randolph | MA |
| Randolph School | Inactive | Private/Independent School | Huntsville | AL |
| Ranney School | Active | Private/Independent School | Tinton Falls | NJ |
| Ransom Everglades School | Active | Private/Independent School | Miami | FL |
| Raritan Valley Community College | Active | College/University | Branchburg | NJ |
| Rashi School,The | Inactive | Non-Profit Organization [Non School] | Dedham | MA |
| Ravenscroft School | Inactive | Private/Independent School | Raleigh | NC |
| Reach Prep | Inactive | Non-Profit Organization [Non School] | Greenwich | CT |
| REACH Prep, Inc. | Inactive | Non-Profit Organization [Non School] | Stamford | CT |
| Reading Allowed | Inactive | Non-Profit Organization [Non School] | Philadelphia | PA |
| Reading Partners | Inactive | Non-Profit Organization [Non School] | Oakland | CA |
| Reading Public Schools | Inactive | Public School District | Reading | MA |
| Rectory School | Inactive | Private/Independent School | Pomfret | CT |
| Redwood City School District | Inactive | Public School District | Redwood City | CA |
| Redwood Day | Active | Private/Independent School | Oakland | CA |
| Regional School District 15 | Inactive | Public School District | Middlebury | CT |
| Regis High School | Inactive | Private/Independent School | New York | NY |
| Renbrook School | Inactive | Private/Independent School | West Hartford | CT |
| Revolution School | Inactive | Private/Independent School | Philadelphia | PA |
| Reynoldsburg City Schools | Inactive | Public School District | Reynoldsburg | OH |
| Rice University's Center for Languages & Intercultural Communication | Inactive | College/University | Houston | TX |
| Richmond Waldorf School | Inactive | Private/Independent School | Richmond | VA |
| Ridgefield Academy | Active | Private/Independent School | Ridgefield | CT |
| Ridgewood Avenue School | Inactive | Public School District | Glen Ridge | NJ |
| Rippowam Cisqua School | Inactive | Private/Independent School | Bedford | NY |
| RIT-College of Engineering Technology | Inactive | College/University | Rochester | NY |
| River Oaks Baptist School | Inactive | Private/Independent School | Houston | TX |
| River Oaks Baptist School | Inactive | Private/Independent School | Houston | TX |
| Riverdale Country School | Active | Private/Independent School | Bronx | NY |
| Rivers School, The | Inactive | Private/Independent School | Weston | MA |
| Riverside Presbyterian Day School | Inactive | Private/Independent School | Jacksonville | FL |
| Riviera Ridge School, The | Inactive | Private/Independent School | Santa Barbara | CA |
| Roanoke City Public Schools | Inactive | Public School District | Roanoke | VA |
| Robbinsville Public Schools | Inactive | Public School District | Robbinsville | NJ |
| Robert Louis Stevenson School | Inactive | Private/Independent School | New York | NY |
| Robert R. McCormick Foundation | Inactive | Non-Profit Organization [Non School] | Chicago | IL |
| Rochester City School District | Inactive | Public School District | Rochester | NY |
| Rock Creek Conservation Corps | Inactive | Non-Profit Organization [Non School] | Bethesda | MD |
| Rockland Country Day School | Inactive | Private/Independent School | Congers | NY |
| Rocky Hill Country Day School | Inactive | Private/Independent School | EAST GREENWICH | RI |
| Rodeph Sholom School | Active | Private/Independent School | New York | NY |
| Roeper School, The | Active | Private/Independent School | Bloomfield Hills | MI |
| Roland Park Country School | Inactive | Private/Independent School | Baltimore | MD |
| Ron Clark Academy, The | Inactive | Charter School | Atlanta | GA |
| Rooted School Vancouver | Inactive | Charter School | Vancouver | WA |
| Rose Tree Media School District | Inactive | Public School District | Media | PA |
| Ross Global Academy Charter School | Inactive | Public School [Stand Alone] | New York | NY |
| Ross School | Inactive | Private/Independent School | Easthampton | NY |
| Row New York | Inactive | Non-Profit Organization [Non School] | New York | NY |
| Rowe Elementary School | Inactive | Charter School | Chicago | IL |
| Rowe Elementary School | Inactive | Charter School | Chicago | IL |
| Rowland Hall | Inactive | Private/Independent School | Salt Lake City | UT |
| Roxbury Latin School | Active | Private/Independent School | West Roxbury | MA |
| Roxbury Preparatory Charter School | Inactive | Charter School | Roxbury | MA |
| Roycemore School | Inactive | Private/Independent School | Evanston | IL |
| Rudolf Steiner School | Inactive | Private/Independent School | New York | NY |
| Rudolf Steiner School | Active | Private/Independent School | New York | NY |
| Rudolf Steiner School of Ann Arbor | Inactive | Private/Independent School | Ann Arbor | MI |
| Ruffing Montessori School | Inactive | Private/Independent School | Cleveland Heights | OH |
| Rush-Henrietta CSD | Inactive | Public School District | Henrietta | NY |
| Russian School of Mathematics | Inactive | Other | Newton | MA |
| Rutgers Prep | Inactive | Private/Independent School | Somerset | NJ |
| Rutgers University - Graduate School of Education | Inactive | College/University | New brunswick | NJ |
| Ryan Banks Academy | Inactive | Non-Profit Organization [Non School] | Chicago | IL |
| Rye City School District | Inactive | Public School District | Rye | NY |
| Rye Country Day School | Active | Private/Independent School | Rye | NY |
| SABIS Educational Systems, Inc | Inactive | Charter School | Springfield | NJ |
| Sabot At Stony Point | Inactive | Private/Independent School | Richmond | VA |
| Sacramento Country Day School | Active | Private/Independent School | Sacramento | CA |
| Sacred Heart Academy | Inactive | Private/Independent School | Hamden | CT |
| Sacred Heart Academy Bryn Mawr | Inactive | Private/Independent School | Bryn Mawr | PA |
| Sacred Heart Greenwich | Inactive | Private/Independent School | Greenwich | CT |
| Sacred Heart Schools | Inactive | Private/Independent School | Chicago | IL |
| Sacred Heart Schools | Inactive | Private/Independent School | Louisville | KY |
| Sacred Heart Schools, Atherton | Inactive | Private/Independent School | Atherton | CA |
| Saddle River Day School | Inactive | Private/Independent School | Saddle River | NJ |
| Safe Horizon | Inactive | Non-Profit Organization [Non School] | New York | NY |
| Sage Hill School | Inactive | Private/Independent School | Newport Coast | CA |
| SailFuture Academy | Inactive | Private/Independent School | St. Petersburg | FL |
| Saint Ambrose Academy | Inactive | Private/Independent School | Rochester | NY |
| Saint Andrew's Episcopal School [CA] | Active | Private/Independent School | Saratoga | CA |
| Saint Andrew's School | Active | Private/Independent School | Boca Raton | FL |
| Saint Ann's School | Active | Private/Independent School | Brooklyn | NY |
| Saint Charles Preparatory School | Inactive | Private/Independent School | Columbus | OH |
| Saint David's School | Inactive | Private/Independent School | New York City | NY |
| Saint Edward's School | Inactive | Private/Independent School | Vero Beach | FL |
| Saint Ignatius High School | Inactive | Private/Independent School | Cleveland | OH |
| Saint Ignatius High School | Inactive | Private/Independent School | Cleveland | OH |
| Saint John's High School | Inactive | Private/Independent School | Shrewsbury | MA |
| Saint Joseph Academy | Inactive | Private/Independent School | Cleveland | OH |
| Saint Joseph Notre Dame High School | Inactive | Private/Independent School | Alameda | CA |
| Saint Louis University | Inactive | College/University | St Louis | MO |
| Saint Martin de Porres High School | Inactive | Private/Independent School | Cleveland | OH |
| Saint Mary's Hall | Active | Private/Independent School | San Antonio | TX |
| Saint Mary's School | Inactive | Private/Independent School | Raleigh | NC |
| Saint Peter's Prep | Inactive | Private/Independent School | Jersey City | NJ |
| Saint Thomas Academy | Inactive | Private/Independent School | Mendota Heights | MN |
| Saint Xavier High School | Inactive | Private/Independent School | Louisville | KY |
| Salem Academy Charter School | Inactive | Charter School | Salem | MA |
| Salem Public Schools (MA) | Inactive | Public School District | Salem | MA |
| Salesianum School | Inactive | Private/Independent School | Wilmington | DE |
| Salisbury School, The | Active | Private/Independent School | Salisbury | CT |
| Samaritan Ministry of Greater Washington | Inactive | Non-Profit Organization [Non School] | Washington | DC |
| San Bernardino County Superintendent of Schools | Inactive | Public School District | San Bernardino | CA |
| San Diego French-American School | Inactive | Private/Independent School | La Jolla | CA |
| San Francisco Day School | Inactive | Private/Independent School | San Francisco | CA |
| San Francisco Friends School | Inactive | Private/Independent School | San Francisco | CA |
| San Francisco Girls' School | Inactive | Private/Independent School | San Francisco | CA |
| San Francisco School, The | Inactive | Private/Independent School | San Francisco | CA |
| San Francisco Unified School District | Inactive | Public School District | San Francisco | CA |
| San Francisco University High School | Inactive | Private/Independent School | San Francisco | CA |
| San Francisco University High School | Inactive | Private/Independent School | San Francisco | CA |
| San Francisco Waldorf School | Active | Private/Independent School | San Francisco | CA |
| San Lorenzo Unified School District | Inactive | Public School District | San Leandro | CA |
| San Mateo County Office of Education | Inactive | Other | Redwood City | CA |
| Sandia Preparatory School | Inactive | Private/Independent School | Albuquerque | NM |
| Sandy Spring Friends School | Active | Private/Independent School | Sandy Spring | MD |
| Sanford School | Inactive | Private/Independent School | Hockessin | DE |
| Santa Barbara Middle School | Inactive | Private/Independent School | Santa Barbara | CA |
| Santa Catalina School | Active | Private/Independent School | Monterey | CA |
| Santa Fe Preparatory School | Active | Private/Independent School | Santa Fe | NM |
| Santa Ynez Valley Family School | Inactive | Private/Independent School | Los Olivos | CA |
| Sarasota County Schools | Inactive | Public School District | Sarasota | FL |
| Savannah - Chatham County Pub Schools | Inactive | Public School [Stand Alone] | Savannah | GA |
| Savannah College of Art and Design | Inactive | College/University | Savannah | GA |
| Savannah Country Day School | Active | Private/Independent School | Savannah | GA |
| Sayre School | Inactive | Private/Independent School | Lexington | KY |
| Sch of Public & Environmental Affairs/ IU | Inactive | College/University | Bloomington | IN |
| Schenectady City School District | Inactive | Public School [Stand Alone] | Schenectady | NY |
| Scholar Academies (Philadelphia/Trenton Region) | Inactive | Charter School | Philadelphia | PA |
| Scholar Academies [DC] | Inactive | Charter School | Washington | DC |
| Scholarship America | Inactive | Non-Profit Organization [Non School] | St. Peter | MN |
| School at Columbia University, The | Inactive | Private/Independent School | New York | NY |
| School District of Haverford Township | Active | Public School District | Havertown | PA |
| School District of Indian River County | Inactive | Public School District | Vero Beach | FL |
| School District of Philadelphia | Inactive | Public School District | Philadelphia | PA |
| School District of South Orange & Maplewood | Inactive | Public School District | Maplewood | NJ |
| School District of Springfield Township | Active | Public School District | Oreland | PA |
| School for Ethics and Global Leadership, The | Active | Private/Independent School | Washington | DC |
| School in Rose Valley, The | Inactive | Private/Independent School | Rose Valley | PA |
| School of Public Health & Health Sciences | Inactive | College/University | Amherst | MA |
| School of the Holy Child | Inactive | Private/Independent School | Rye | NY |
| Schott Foundation for Public Education | Inactive | Non-Profit Organization [Non School] | Cambridge | MA |
| Science & Arts Academy | Inactive | Private/Independent School | Des Plaines | IL |
| Scituate Public Schools | Active | Public School District | Scituate | MA |
| Scripps College | Inactive | College/University | Claremont | CA |
| Sea Crest School | Inactive | Private/Independent School | Half Moon Bay | CA |
| Seattle Academy | Inactive | Private/Independent School | Seattle | WA |
| Seattle Country Day School | Inactive | Private/Independent School | Seattle | WA |
| Seattle Girls' School | Inactive | Private/Independent School | Seattle | WA |
| Seattle Nativity School | Inactive | Private/Independent School | Seattle | WA |
| Seattle School for Boys | Inactive | Private/Independent School | Seattle | WA |
| Seattle Waldorf School | Active | Private/Independent School | Seattle | WA |
| Second Baptist School | Inactive | Private/Independent School | Houston | TX |
| SEED Foundation, The | Inactive | Non-Profit Organization [Non School] | Washington | DC |
| SEED Public Charter School of Washington, DC | Inactive | Charter School | Washington | DC |
| SEED School of Maryland, The | Inactive | Other | Baltimore | MD |
| SEED School of Miami | Inactive | Charter School | Miami | FL |
| SEEM Collaborative | Inactive | Public School [Stand Alone] | Stoneham | MA |
| Selwyn School | Inactive | Private/Independent School | Argyle | TX |
| Septima Clark Public Charter School for Boys | Inactive | Charter School | Washington | DC |
| Sequoyah School | Inactive | Private/Independent School | Pasadena | CA |
| Seven Arrows Elementary School | Inactive | Private/Independent School | Pacific Palisades | CA |
| Seven Hills School | Inactive | Private/Independent School | Cincinnati | OH |
| Seven Hills School | Inactive | Private/Independent School | Walnut Creek | CA |
| Seven Hills School, The | Active | Private/Independent School | Cincinnati | OH |
| Severn School | Active | Private/Independent School | Severna Park | MD |
| Sewickley Academy | Inactive | Private/Independent School | Sewickley | PA |
| Shady Hill School | Active | Private/Independent School | Cambridge | MA |
| Shady Hill School Teacher Residency Program | Inactive | Private/Independent School | Cambridge | MA |
| Shady Side Academy | Active | Private/Independent School | Pittsburgh | PA |
| Shattuck-St. Mary's School | Inactive | Private/Independent School | Faribault | MN |
| Shefa School, The | Inactive | Private/Independent School | New York | NY |
| Sheridan School | Inactive | Private/Independent School | Washington | DC |
| Shipley School, The | Active | Private/Independent School | Bryn Mawr | PA |
| Shirley Proctor Puller Foundation, The | Inactive | Non-Profit Organization [Non School] | St. Petersburg | FL |
| Shore Country Day School | Active | Private/Independent School | Beverly | MA |
| Shorecrest Preparatory School | Active | Private/Independent School | St. Petersburg | FL |
| Shoreline Community College | Inactive | College/University | Shoreline | WA |
| Shoreline Schools District | Inactive | Public School District | Shoreline | WA |
| Sidwell Friends School | Active | Private/Independent School | Washington | DC |
| Siena School, The | Active | Private/Independent School | Silver Spring | MD |
| Sierra Canyon School | Inactive | Private/Independent School | Chatsworth | CA |
| Simsbury Public Schools | Inactive | Public School District | Simsbury | CT |
| Sitar Arts Center | Inactive | Non-Profit Organization [Non School] | Washington | DC |
| Smith College | Inactive | College/University | Northampton | MA |
| Smith Leadership Academy | Inactive | Charter School | Boston | MA |
| Solebury School | Active | Private/Independent School | New Hope | PA |
| Solon High School | Inactive | Public School [Stand Alone] | Solon | OH |
| Somers Central School District | Inactive | Public School District | Somers | NY |
| Somerset Prep DC Charter School | Inactive | Charter School | WASHINGTON | DC |
| Somerville Public Schools | Inactive | Public School District | Somerville | MA |
| Sonoma Academy | Inactive | Private/Independent School | Santa Rosa | CA |
| Souderton Area School District | Inactive | Public School District | Souderton | PA |
| Soulsville Charter School, The | Inactive | Charter School | Memphis | TN |
| Soundview School | Inactive | Private/Independent School | Lynnwood | WA |
| South Burlington School District | Inactive | Public School District | South Burlington | VT |
| South Fayette Twp. School District | Active | Public School District | McDonald | PA |
| South Kent School | Inactive | Private/Independent School | SOUTH KENT | CT |
| South Orangetown CSD | Active | Public School District | Blauvelt | NY |
| South Shore Christian Academy | Inactive | Private/Independent School | Weymouth | MA |
| South Windsor Public Schools | Inactive | Public School District | South Windsor | CT |
| Southbridge Public Schools | Inactive | Public School District | Southbridge | MA |
| Southern Westchester BOCES | Inactive | Other | Rye Brook | NY |
| Southport School, The | Inactive | Private/Independent School | SOUTHPORT | CT |
| Southport School, The | Inactive | Private/Independent School | SOUTHPORT | CT |
| Southwest Christian School | Inactive | Private/Independent School | Fort Worth | TX |
| Southwest Leadership Academy Charter School | Inactive | Charter School | Philadelphia | PA |
| Spence School | Active | Private/Independent School | New York | NY |
| Spencerport School District | Inactive | Public School District | Spencerport | NY |
| SPHERE CONSORTIUM | Inactive | Non-Profit Organization [Non School] | Barkhmasted | CT |
| Spring-Ford Area School District | Inactive | Public School District | Royersford | PA |
| Springboard Collaborative | Inactive | Non-Profit Organization [Non School] | Philadelphia | PA |
| Springer School and Center | Active | Private/Independent School | CINCINNATI | OH |
| Springfield College | Inactive | College/University | Springfield | MA |
| Springfield Prep Charter School | Inactive | Charter School | Longmeadow | MA |
| Springfield Public Schools [MA] | Inactive | Public School District | Springfield | MA |
| Springpoint | Inactive | Non-Profit Organization [Non School] | New York | NY |
| Springside Chestnut Hill Academy | Active | Private/Independent School | Philadelphia | PA |
| Spruce Street School | Inactive | Private/Independent School | Seattle | WA |
| SquashBusters Inc. | Inactive | Non-Profit Organization [Non School] | Roxbury Crossing | MA |
| St Andrew's School | Inactive | Private/Independent School | Richmond | VA |
| St Anne's Belfield School | Inactive | Private/Independent School | Charlottesville | VA |
| St Edward High School | Inactive | Private/Independent School | Lakewood | OH |
| St John's Prep | Inactive | Private/Independent School | Danvers | MA |
| St Mark's School of Texas | Inactive | Private/Independent School | Dallas | TX |
| St Teresa's Academy | Inactive | Private/Independent School | Kansas City | MO |
| St. Agnes Academy | Inactive | Private/Independent School | Houston | TX |
| St. Agnes Academy | Inactive | Private/Independent School | Houston | TX |
| St. Agnes Academy | Inactive | Private/Independent School | Houston | TX |
| St. Agnes Academy | Inactive | Private/Independent School | Houston | TX |
| St. Agnes Academy | Inactive | Private/Independent School | Houston | TX |
| St. Agnes Academy | Inactive | Private/Independent School | Houston | TX |
| St. Albans School | Inactive | Private/Independent School | Washington | DC |
| St. Andrew Nativity School | Inactive | Private/Independent School | Portland | OR |
| St. Andrew's Episcopal School [LA] | Inactive | Private/Independent School | New Orleans | LA |
| St. Andrew's Episcopal School [MD] | Inactive | Private/Independent School | Potomac | MD |
| St. Andrew's Episcopal School [MS] | Active | Private/Independent School | Ridgeland | MS |
| St. Andrew's Episcopal School [TX] | Active | Private/Independent School | Austin | TX |
| St. Andrew's School | Inactive | Private/Independent School | Richmond | VA |
| St. Andrew's School [DE] | Active | Private/Independent School | Middletown | DE |
| St. Andrew's School on the Marsh | Inactive | Private/Independent School | Savannah | GA |
| St. Anne's Episcopal School | Inactive | Private/Independent School | Denver | CO |
| St. Annes Belfield School | Inactive | Private/Independent School | Charlottesville | VA |
| St. Benedict Catholic School | Inactive | Private/Independent School | Seattle | WA |
| St. Benedict's Episcopal School | Inactive | Private/Independent School | Smyrna | GA |
| St. Bernard's High School | Inactive | Private/Independent School | Fitchburg | MA |
| St. Bernard's School | Active | Private/Independent School | New York | NY |
| St. Catherine's School | Active | Private/Independent School | Richmond | VA |
| St. Charles Parish Schools | Inactive | Public School District | Luling | LA |
| St. Charles Preparatory School | Inactive | Private/Independent School | Columbus | OH |
| St. Christopher's School | Active | Private/Independent School | Richmond | VA |
| St. Cloud State University | Inactive | College/University | St. Cloud | MN |
| St. Columba Catholic School | Inactive | Private/Independent School | Bloomsburg | PA |
| St. David's School | Inactive | Private/Independent School | Raleigh | NC |
| St. Edmund's Academy | Inactive | Private/Independent School | Pittsburght | PA |
| St. Edmund's Academy | Inactive | Private/Independent School | Pittsburgh | PA |
| St. Edmund's Academy | Inactive | Private/Independent School | Pittsburgh | PA |
| St. Francis Episcopal School | Inactive | Private/Independent School | Houston | TX |
| St. Francis of Assisi School | Inactive | Private/Independent School | Baltimore | MD |
| St. Gabriel's Catholic School | Inactive | Private/Independent School | Austin | TX |
| St. Gabriel's Catholic School | Inactive | Private/Independent School | AUSTIN | TX |
| St. George's Independent School | Inactive | Private/Independent School | Collierville | TN |
| St. George's School | Inactive | Private/Independent School | Middletown | RI |
| St. Hilda's & St. Hugh's | Inactive | Private/Independent School | New York | NY |
| St. HOPE Leadership Academy | Inactive | Charter School | New York | NY |
| St. Ignatius College Preparatory | Inactive | Private/Independent School | San Francisco | CA |
| St. James School | Inactive | Private/Independent School | Philadelphia | PA |
| St. James' Episcopal School | Active | Private/Independent School | Los Angeles | CA |
| St. James' Episcopal School [TX] | Inactive | Private/Independent School | Austin | TX |
| St. John School | Inactive | Private/Independent School | Seattle | WA |
| St. John's Episcopal Preschool | Inactive | Private/Independent School | Washington | DC |
| St. John's Episcopal Preschool | Inactive | Non-Profit Organization [Non School] | Washington | DC |
| St. John's Parish Day School | Inactive | Private/Independent School | Ellicott City | MD |
| St. John's Prep [MA] | Inactive | Private/Independent School | Danvers | MA |
| St. John's School [TX] | Inactive | Private/Independent School | Houston | TX |
| St. John’s Episcopal School | Inactive | Private/Independent School | Dallas | TX |
| St. Johns Episcopal School [MD] | Inactive | Private/Independent School | OLNEY | MD |
| St. Johnsbury Academy | Active | Private/Independent School | St. Johnsbury | VT |
| St. Joseph High School | Active | Private/Independent School | Trumbull | CT |
| St. Joseph's Preparatory School | Inactive | Private/Independent School | Philadelphia | PA |
| St. Louis Language Immersion School | Inactive | Charter School | St. Louis | MO |
| St. Louis University High School | Inactive | Private/Independent School | St. Louis | MO |
| St. Louis University High School | Inactive | Private/Independent School | St. Louis | MO |
| St. Luke's School | Active | Private/Independent School | New York | NY |
| St. Luke's School [CT] | Inactive | Private/Independent School | New Canaan | CT |
| St. Margaret's Episcopal School | Active | Private/Independent School | San Juan Capistrano | CA |
| St. Margaret's School | Inactive | Private/Independent School | Tappahannock | VA |
| St. Mark the Evangelist School | Inactive | Private/Independent School | New York | NY |
| St. Mark's School | Active | Private/Independent School | Southborough | MA |
| St. Mark's School of Texas | Active | Private/Independent School | Dallas | TX |
| St. Martin de Porres Academy | Inactive | Private/Independent School | New Haven | CT |
| St. Martin de Porres High School | Inactive | Private/Independent School | Cleveland | OH |
| St. Martin Parish School Board | Inactive | Public School District | Breaux Bridge | LA |
| St. Martin's Episcopal School | Inactive | Private/Independent School | Atlanta | GA |
| St. Martin's Episcopal School [Metairie] | Inactive | Private/Independent School | Metairie | LA |
| St. Mary's Academy | Inactive | Private/Independent School | Englewood | CO |
| St. Mary's County Public Schools | Inactive | Public School District | Leonardtown | MD |
| St. Mary's Episcopal Day School | Inactive | Private/Independent School | Tampa | FL |
| St. Mary's Episcopal School | Inactive | Private/Independent School | Memphis | TN |
| St. Mary's School | Inactive | Private/Independent School | Aliso Viejo | CA |
| St. Matthew's Parish School | Inactive | Private/Independent School | Pacific Palisades | CA |
| St. Michael's Catholic Academy | Inactive | Private/Independent School | AUSTIN | TX |
| St. Michael's Country Day School | Inactive | Private/Independent School | Newport | RI |
| St. Michael's Episcopal Day School | Inactive | Private/Independent School | Carmichael | CA |
| St. Michael's Episcopal School | Inactive | Private/Independent School | Richmond | VA |
| St. Patricks Episcopal Day School | Active | Private/Independent School | Washington | DC |
| St. Paul Academy & Summit School | Active | Private/Independent School | St. Paul | MN |
| St. Paul Christian Academy | Inactive | Private/Independent School | Nashville | TN |
| St. Paul's Episcopal Day School [MO] | Inactive | Private/Independent School | Kansas City | MO |
| St. Paul's Episcopal School | Inactive | Private/Independent School | Oakland | CA |
| St. Paul's Schools, The | Active | Private/Independent School | Brooklandville | MD |
| St. Paul’s School [NH] | Active | Private/Independent School | Concord | NH |
| St. Peter's School | Inactive | Private/Independent School | Philadelphia | PA |
| St. Philip's School & Community Center | Inactive | Private/Independent School | Dallas | TX |
| St. Phillips Academy | Inactive | Private/Independent School | Newark | NJ |
| St. Stephen's Episcopal Day School | Inactive | Private/Independent School | Coconut Grove | FL |
| St. Stephen's Episcopal School | Inactive | Private/Independent School | Harrisburg | PA |
| St. Stephens and St. Agnes School | Active | Private/Independent School | Alexandria | VA |
| St. Stephens Episcopal School | Inactive | Private/Independent School | Austin | TX |
| St. Thomas School | Active | Private/Independent School | Medina | WA |
| St. Thomas's Day School | Inactive | Private/Independent School | New Haven | CT |
| St. Timothy's School | Inactive | Private/Independent School | Raleigh | NC |
| St. Ursula Academy | Inactive | Private/Independent School | Toledo | OH |
| St. Ursula Academy | Inactive | Private/Independent School | Toledo | OH |
| Stafford County Public Schools | Inactive | Public School District | Stafford | VA |
| Stamford Public Schools | Inactive | Public School [Stand Alone] | Stamford | CT |
| Stanford Online High School | Inactive | Private/Independent School | Stanford | CA |
| Stanford University | Inactive | College/University | Stanford | CA |
| Stanford University | Inactive | College/University | Stanford | CA |
| Stanley British Primary School | Inactive | Private/Independent School | denver | CO |
| Starr Detroit Academy | Inactive | Charter School | Harper Woods | MI |
| State College Area School District | Inactive | Public School District | State College | PA |
| Stephen Gaynor School | Inactive | Private/Independent School | New York | NY |
| Steppingstone Foundation, The | Inactive | Non-Profit Organization [Non School] | Boston | MA |
| Stevens Cooperative School | Active | Private/Independent School | Hoboken | NJ |
| Stevenson School | Inactive | Private/Independent School | Pebble Beach | CA |
| Steward School, The | Inactive | Private/Independent School | Richmond | VA |
| Stone Ridge School of the Sacred Heart | Active | Private/Independent School | Bethesda | MD |
| Stoneleigh-Burnham School | Inactive | Private/Independent School | Greenfield | MA |
| Stony Brook School, The | Inactive | Private/Independent School | Stony Brook | NY |
| StrateGenius | Inactive | Business/Corporation | Berkeley | CA |
| Stratford Academy | Inactive | Private/Independent School | Macon | GA |
| Stratford Friends School | Inactive | Non-Profit Organization [Non School] | Newtown Square | PA |
| Strive Collegiate | Inactive | Charter School | NASHVILLE | TN |
| STRIVE Prep | Inactive | Charter School | Denver | CO |
| Stronger Consulting Inc | Inactive | Business/Corporation | SAN DIEGO | CA |
| Stuart Country Day School | Inactive | Private/Independent School | Princeton | NJ |
| Student Social Support R&D Lab | Inactive | Non-Profit Organization [Non School] | Cambridge | MA |
| Studentsassignments | Inactive | Non-Profit Organization [Non School] | Ypisilanti | MI |
| Sturgis Charter Public School | Inactive | Charter School | Hyannis | MA |
| Sudbury Public Schools | Inactive | Public School District | Sudbury | MA |
| Suffield Academy | Inactive | Private/Independent School | Suffield | CT |
| Summer on the Hill | Inactive | Program [Summer/Seasonal] | Bronx | NY |
| Summers-Knoll School | Inactive | Non-Profit Organization [Non School] | Ann Arbor | MI |
| Summit Academy Charter School | Inactive | Charter School | Brooklyn | NY |
| Summit Country Day School, The | Inactive | Private/Independent School | Cincinnati | OH |
| Summit School | Inactive | Private/Independent School | Winston Salem | NC |
| Summit School | Inactive | Private/Independent School | Winston Salem | NC |
| Summit School, The | Inactive | Private/Independent School | Edgewater | MD |
| Sumter STEM Charter School | Inactive | Charter School | Sumter | SC |
| Sun Valley Community School | Active | Private/Independent School | Sun Valley | ID |
| SUNY College at Plattsburgh | Inactive | College/University | Plattsburgh | NY |
| SUNY Potsdam | Inactive | College/University | Potsdam | NY |
| Swarthmore College | Inactive | College/University | Swarthmore | PA |
| Swift School | Inactive | Private/Independent School | Roswell | GA |
| Swift School | Inactive | Private/Independent School | Roswell | GA |
| Swing Education | Inactive | Business/Corporation | Mountain View | CA |
| Sycamore School | Inactive | Private/Independent School | Indianapolis | IN |
| Syracuse City School District | Inactive | Public School District | Syracuse | NY |
| Syracuse University | Inactive | College/University | Bridgeport | CT |
| T/E School District | Inactive | Public School District | Wayne | PA |
| Tabor Academy | Inactive | Private/Independent School | Marion | MA |
| Taft School, The | Inactive | Private/Independent School | Watertown | CT |
| Talcott Mountain Science Center & Academy | Active | Private/Independent School | Avon | CT |
| Tamalpais Union High School District | Inactive | Public School District | Larkspur | CA |
| Tampa Preparatory School | Inactive | Private/Independent School | Tampa | FL |
| Tandem Friends School | Active | Private/Independent School | Charlottesville | VA |
| Tatnall School, The | Active | Private/Independent School | Wilmington | DE |
| Taunton Public Schools | Inactive | Public School [Stand Alone] | Taunton | MA |
| Teach For America | Inactive | Non-Profit Organization [Non School] | San Francisco | CA |
| Teach for the Future | Inactive | Business/Corporation | VANCOUVER | II |
| Teach Plus | Inactive | Non-Profit Organization [Non School] | Boston | MA |
| Teach Western Mass | Inactive | Non-Profit Organization [Non School] | Springfield | MA |
| TEAK Fellowship, The | Inactive | Non-Profit Organization [Non School] | New York | NY |
| Tenacity | Inactive | Non-Profit Organization [Non School] | Boston | MA |
| Tenacre Country Day School | Active | Private/Independent School | Wellesley | MA |
| TenSquare | Inactive | Business/Corporation | Washington | DC |
| Tessa International School | Inactive | Private/Independent School | Hoboken | NJ |
| Tessellations School | Active | Private/Independent School | Cupertino | CA |
| Tewksbury Public Schools | Inactive | Public School District | Tewksbury | MA |
| Texas A&M University | Inactive | College/University | College Station | TX |
| Thacher School, The | Active | Private/Independent School | Ojai | CA |
| Thaden School | Inactive | Private/Independent School | Bentonville | AR |
| Thayer Academy | Active | Private/Independent School | Braintree | MA |
| Thomas Jefferson School | Inactive | Private/Independent School | Saint Louis | MO |
| Thompson Island Outward Bound Education Center | Inactive | Non-Profit Organization [Non School] | Boston | MA |
| Thurgood Marshall Academy | Inactive | Charter School | Washington | DC |
| Toledo School for the Arts | Inactive | Charter School | Toledo | OH |
| Tompkins Cortland Community College | Inactive | College/University | Dryden | NY |
| Tools of the Mind | Inactive | Non-Profit Organization [Non School] | Shirley | MA |
| Tower Hill School | Active | Private/Independent School | Wilmington | DE |
| Tower School | Inactive | Private/Independent School | Marblehead | MA |
| Town Of Killingly | Inactive | Other | Danielson | CT |
| Town School | Active | Private/Independent School | New York | NY |
| Towson University | Inactive | College/University | Towson | MD |
| Treasure Valley Community College | Inactive | College/University | Ontario | OR |
| Tredyffrin Easttown School District | Inactive | Public School District | Wayne | PA |
| Tremont School | Inactive | Non-Profit Organization [Non School] | CONCORD | MA |
| Trenton Public Schools | Inactive | Public School District | Trenton | NJ |
| Trevor Day School | Inactive | Private/Independent School | New York | NY |
| Triangle Day School | Inactive | Private/Independent School | Durham | NC |
| Trinity College | Inactive | College/University | Hartford | CT |
| Trinity Episcopal School | Inactive | Private/Independent School | Charlotte | NC |
| Trinity Episcopal School of Austin | Active | Private/Independent School | Austin | TX |
| Trinity Preparatory School | Inactive | Private/Independent School | Winter Park | FL |
| Trinity School [GA] | Inactive | Private/Independent School | Atlanta | GA |
| Trinity School [NYC] | Active | Private/Independent School | New York | NY |
| Trinity School of Durham and Chapel Hill | Inactive | Private/Independent School | Durham | NC |
| Trinity Valley School | Inactive | Private/Independent School | Fort Worth | TX |
| Trinity-Pawling School | Inactive | Private/Independent School | Pawling | NY |
| Troy City School District | Inactive | Public School District | Troy | NY |
| Troy School District | Inactive | Public School District | Troy | MI |
| Tufts University | Inactive | College/University | Medford | MA |
| Tufts University | Inactive | Other | Medford | MA |
| Turning Point School | Inactive | Private/Independent School | Culver City | CA |
| Turquoise Trail Charter School | Inactive | Charter School | Santa Fe | NM |
| Tuxedo Park School | Inactive | Private/Independent School | Tuxedo Park | NY |
| Two Rivers Public Charter School | Inactive | Charter School | Washington | DC |
| Tyler Junior College | Active | College/University | Tyler | TX |
| U.S. Court of Appeals for the Ninth Circuit | Inactive | Other | San Francisco | CA |
| UC Riverside School of Medicine | Inactive | College/University | Riverside | CA |
| UGA Cooperative Extension | Inactive | College/University | Athens | GA |
| UMass Boston | Inactive | College/University | Boston | MA |
| Uncommon Schools [NJ] | Inactive | Charter School | Newark | NJ |
| UNESCO Center for Global Education | Inactive | Non-Profit Organization [Non School] | NY | NY |
| United Friends School | Inactive | Private/Independent School | Quakertown | PA |
| United Nations International School | Inactive | Private/Independent School | Manhattan | NY |
| United Teen Equality Center | Inactive | Non-Profit Organization [Non School] | Lowell | MA |
| United Way of Central Maryland | Inactive | Non-Profit Organization [Non School] | Baltimore | MD |
| Unity Charter School | Inactive | Charter School | Morristown | NJ |
| Unity Preparatory Charter School of Brooklyn | Inactive | Charter School | Brooklyn | NY |
| UNIV OF VERMONT | Inactive | College/University | BURLINGTON | VT |
| Univ. at Albany Alumni Association | Inactive | College/University | Albany | NY |
| Universal Companies | Inactive | Charter School | Philadelphia | PA |
| University Child Development School | Inactive | Private/Independent School | Seattle | WA |
| University High School of Indiana | Inactive | Private/Independent School | Carmel | IN |
| University Liggett School | Inactive | Private/Independent School | Grosse Pointe Woods | MI |
| University of British Columbia | Inactive | College/University | Vancouver, BC | II |
| University of California, Riverside | Inactive | Public School [Stand Alone] | Riverside | CA |
| University of Chicago Laboratory Schools | Active | Private/Independent School | Chicago | IL |
| University of Chicago, The | Inactive | College/University | Chicago | IL |
| University of Colorado, Employee Learning & Dev. | Inactive | College/University | Denver | CO |
| University of Denver, Physics & Astronomy | Inactive | College/University | Denver | CO |
| University of Florida | Inactive | College/University | Quincy | FL |
| University of Florida Dept of Psychiatry -Jax | Inactive | Other | Jacksonville | FL |
| University of Florida, College of Education | Inactive | College/University | Gainesville | FL |
| University of Florida, George A Smathers Libraries | Inactive | College/University | Gainesville | FL |
| University of Florida, School of Art + Art History | Inactive | College/University | Gainesville | FL |
| University of Guelph | Inactive | College/University | Guelph, Ontario | II |
| University of Houston | Inactive | College/University | Houston | TX |
| University of Idaho | Inactive | College/University | Moscow | ID |
| University of Illinois at Chicago | Inactive | College/University | Chicago | IL |
| University of Illinois at Urbana-Champaign | Inactive | College/University | Urbana | IL |
| University of Iowa | Inactive | College/University | Iowa City | IA |
| University of Iowa, Tippie College of Business | Inactive | College/University | Iowa City | IA |
| University of Louisiana, Lafayette | Inactive | College/University | Lafayette | LA |
| University of Maine | Inactive | College/University | Orono | ME |
| University of Maryland | Inactive | College/University | College Park | MD |
| University of Maryland Baltimore County | Inactive | College/University | Baltimore | MD |
| University of Maryland Easter | Inactive | College/University | Princess Anne | MD |
| University of Massachusetts Lowell | Inactive | College/University | Lowell | MA |
| University of Massachusetts, Amherst | Inactive | College/University | Amherst | MA |
| University of Massachusetts, Boston | Inactive | College/University | Boston | MA |
| University of Michigan MED | Inactive | College/University | Ann Abor | MI |
| University of Michigan, The . | Inactive | College/University | Ann Arbor | MI |
| University of Michigan-Flint | Inactive | College/University | Flint | MI |
| University of Minnesota Duluth | Inactive | College/University | Duluth | MN |
| University of Minnesota School of Dentistry | Inactive | College/University | Minneapolis | MN |
| University of Missouri | Inactive | College/University | Columbia | MO |
| University of New Mexico | Inactive | College/University | Albuquerque | NM |
| University of North Carolina at Charlotte | Inactive | College/University | Charlotte | NC |
| University of North Carolina School of the Arts | Inactive | College/University | Winston Salem | NC |
| University of Oregon | Inactive | College/University | Eugene | OR |
| University of Oregon, Dept. of Geography | Inactive | College/University | Eugene | OR |
| University of Pennsylvania | Inactive | College/University | Philadelphia | PA |
| University of Rochester | Inactive | College/University | Rochester | NY |
| University of South Florida | Inactive | College/University | Tampa | FL |
| University of Tennessee | Inactive | College/University | Knoxville | TN |
| University of Tennessee | Inactive | College/University | Knoxville | TN |
| University of Tennessee Knoxville | Inactive | College/University | Knoxville | TN |
| University of Texas at Austin | Inactive | College/University | Austin | TX |
| University of Texas at Austin Department of CAEE | Inactive | College/University | Austin | TX |
| University of Texas at El Paso, The | Inactive | College/University | El Paso | TX |
| University of Texas HSC at San Antonio | Inactive | College/University | San Antonio | TX |
| University of the District of Columbia | Inactive | College/University | Washington | DC |
| University of Utah | Inactive | College/University | Salt Lake City | UT |
| University of Utah | Inactive | College/University | Salt Lake City | UT |
| University of Vermont (Vermont EPSCoR) | Inactive | College/University | Burlington | VT |
| University of West Florida - UWF | Inactive | College/University | Pensacola | FL |
| University of Wisconsin - La Crosse | Inactive | College/University | La Crosse | WI |
| University of Wisconsin - Madison | Inactive | College/University | Madison | WI |
| University of Wisconsin | Eau Claire | Inactive | College/University | Eau Claire | WI |
| University of Wyoming [Civil and Architectural Engineering] | Inactive | College/University | Laramie | WY |
| University Prep | Inactive | Private/Independent School | Seattle | WA |
| University Prep [CO] | Inactive | Charter School | Denver | CO |
| University School | Inactive | Private/Independent School | Shaker Heights | OH |
| University School of Milwaukee | Active | Private/Independent School | Milwaukee | WI |
| University School of Nashville | Inactive | Private/Independent School | Nashville | TN |
| Unquowa School, The | Active | Private/Independent School | Fairfield | CT |
| UP Education Network | Inactive | Non-Profit Organization [Non School] | Boston | MA |
| Upland Country Day School | Inactive | Private/Independent School | Kennett Square | PA |
| Upland Country Day School | Inactive | Private/Independent School | Kennett Square | PA |
| Upper Moreland School District | Inactive | Public School District | Willow Grove | PA |
| Upward Bound - West Virginia University | Inactive | College/University | Morgantown | WV |
| Urban Alliance, The | Inactive | Non-Profit Organization [Non School] | Washington | DC |
| Urban Assembly Academy of Arts & Letters | Inactive | Public School [Stand Alone] | Brooklyn | NY |
| Urban Community School | Inactive | Private/Independent School | Cleveland | OH |
| Urban League of Eastern MA | Inactive | Non-Profit Organization [Non School] | Boston | MA |
| Urban School | Inactive | Private/Independent School | San Francisco | CA |
| Urban School of San Francisco | Inactive | Private/Independent School | San Francisco | CA |
| Ursuline Academy of Dallas | Inactive | Private/Independent School | Dallas | TX |
| Ursuline Academy of Dallas | Inactive | Private/Independent School | Dallas | TX |
| Ursuline Academy of Wilmington, Delaware | Inactive | Private/Independent School | Wilmington | DE |
| Ursuline School, The | Inactive | Private/Independent School | New Rochelle | NY |
| Utah State University | Inactive | College/University | Logan | UT |
| Utica College | Inactive | College/University | Utica | NY |
| Valencia College | Inactive | College/University | Orlando | FL |
| Valley Central School District | Active | Public School District | Montgomery | NY |
| Valley Christian Schools | Inactive | Private/Independent School | Dublin | CA |
| Valley School of Ligonier | Active | Private/Independent School | Rector | PA |
| Valley School, The | Active | Private/Independent School | Seattle | WA |
| VALLEY STREAM UFSD 13 | Inactive | Public School District | VALLEY STREAM | NY |
| Valor Collegiate Academies | Inactive | Charter School | Nashville | TN |
| Valor Collegiate Academies | Inactive | Charter School | Nashville | TN |
| Verbum Dei High School | Inactive | Private/Independent School | Los Angeles | CA |
| Veritas Prep Charter School | Inactive | Charter School | Springfield | MA |
| Veritas Preparatory Charter School | Inactive | Charter School | Springfield | MA |
| Verona Public Schools | Active | Public School District | Verona | NJ |
| Viewpoint School | Active | Private/Independent School | Calabasas | CA |
| Villa Academy | Inactive | Private/Independent School | Seattle | WA |
| Villa Maria Academy High School | Active | Private/Independent School | Malvern | PA |
| Villa Victoria Academy | Inactive | Private/Independent School | Ewing | NJ |
| Village Community School | Inactive | Private/Independent School | New York | NY |
| Village of South Holland | Inactive | Non-Profit Organization [Non School] | South Holland | IL |
| Village School, The | Inactive | Private/Independent School | Naples | FL |
| Village School, The | Inactive | Private/Independent School | Houston | TX |
| VIP NCCC FEMA | Inactive | Other | Salem | OR |
| Virginia Commonwealth University - VCU | Inactive | College/University | Richmond | VA |
| Virginia Episcopal School | Inactive | Private/Independent School | Lynchburg | VA |
| Virscend University | Inactive | College/University | Irvine | CA |
| Visions Academy Charter HS | Inactive | Charter School | Newark | NJ |
| Vistamar School | Inactive | Private/Independent School | El Segundo | CA |
| VOICE Charter School | Inactive | Charter School | Long Island City | NY |
| Wake County Public School System | Inactive | Public School District | Cary | NC |
| Wakefield Public Schools | Inactive | Public School District | Wakefield | MA |
| Walden School | Inactive | Private/Independent School | Louisville | KY |
| Walden School | Inactive | Private/Independent School | Pasadena | CA |
| Walden School, The | Inactive | Private/Independent School | Media | PA |
| Waldorf School of Baltimore | Inactive | Private/Independent School | Baltimore | MD |
| Waldorf School of Garden City, The | Inactive | Private/Independent School | Garden City | NY |
| Waldorf School of Lexington | Inactive | Private/Independent School | Lexington | MA |
| Waldorf School of Philadelphia, The | Inactive | Private/Independent School | Philadelphia | PA |
| Waldorf School of Pittsburgh | Inactive | Private/Independent School | Pittsburgh | PA |
| Waldron Mercy Academy | Inactive | Private/Independent School | Merion Station | PA |
| Walker School [MA] | Inactive | Private/Independent School | Needham | MA |
| Walker School, The | Active | Private/Independent School | Marietta | GA |
| Walnut Hill School for the Arts | Active | Private/Independent School | Natick | MA |
| Walsh Jesuit High School | Inactive | Private/Independent School | Cuyahoga Falls | OH |
| Walsh Jesuit High School | Inactive | Private/Independent School | Cuyahoga Falls | OH |
| Waltham Fields Community Farm | Inactive | Non-Profit Organization [Non School] | Waltham | MA |
| Waltham Public Schools | Inactive | Public School District | Waltham | MA |
| Wangari Maathai Community School | Inactive | Charter School | Providence | RI |
| Wardlaw-Hartridge School, The | Inactive | Private/Independent School | Edison | NJ |
| Ware County Public Schools | Inactive | Public School District | Waycross | GA |
| Waring School | Active | Private/Independent School | Beverly | MA |
| Warren City Schools | Inactive | Public School District | Warren | OH |
| Warren Wilson College | Inactive | College/University | Asheville | NC |
| Washburn Center for Children | Inactive | Non-Profit Organization [Non School] | Minneapolis | MN |
| Washington County Public Schools | Inactive | Public School [Stand Alone] | Hagerstown | MD |
| Washington Episcopal School | Active | Private/Independent School | Bethesda | MD |
| Washington International School | Active | Private/Independent School | Washington | DC |
| Washington International School | Inactive | Private/Independent School | Washington | DC |
| Washington Latin Public Charter School | Inactive | Charter School | Washington | DC |
| Washington Leadership Academy PCS | Inactive | Charter School | Washington | DC |
| Washington State University | Inactive | College/University | Pullman | WA |
| Washington University in St. Louis | Inactive | College/University | St. Louis | MO |
| Waterbury Public Schools | Inactive | Public School District | Waterbury | CT |
| Waterford School, The | Inactive | Private/Independent School | Sandy | UT |
| Watershed School | Active | Private/Independent School | Boulder | CO |
| Waterside School | Inactive | Private/Independent School | Stamford | CT |
| Watertown Public Schools | Active | Public School District | Watertown | MA |
| Watkinson School | Inactive | Private/Independent School | Hartford | CT |
| Waukegan Community School District #60 | Inactive | Public School District | Waukegan | IL |
| Wayland Academy | Inactive | Private/Independent School | Beaver Dam | WI |
| Waynflete School | Active | Private/Independent School | Portland | ME |
| Wayside youth & Family Support Network | Inactive | Non-Profit Organization [Non School] | Framingham | MA |
| Webb School, The [TN] | Inactive | Private/Independent School | Bell Buckle | TN |
| Webb Schools, The [CA] | Active | Private/Independent School | Claremont | CA |
| Wellesley Public Schools | Inactive | Public School District | Wellesley | MA |
| Wellington School, The | Inactive | Private/Independent School | Columbus | OH |
| Wesley School, The | Inactive | Private/Independent School | North Hollywood | CA |
| Wesleyan Christian Academy | Inactive | Private/Independent School | High Point | NC |
| Wesleyan School | Active | Private/Independent School | Peachtree Corners | GA |
| Wesleyan University | Inactive | College/University | Middletown | CT |
| West Chester Area School District | Inactive | Public School District | West Chester | PA |
| West Chester University | Inactive | College/University | West Chester | PA |
| West Northfield School District 31 | Inactive | Public School District | Northbrook | IL |
| West Orange Public School District | Inactive | Public School District | West Orange | NJ |
| Westchester Country Day School | Inactive | Private/Independent School | High Point | NC |
| Westerly School | Inactive | Private/Independent School | Long Beach | CA |
| Western Connecticut State University | Inactive | College/University | Danbury | CT |
| Western Michigan University | Inactive | College/University | Kalamazoo | MI |
| Western Reserve Academy | Active | Private/Independent School | Hudson | OH |
| Westerville City Schools | Inactive | Public School District | Westerville | OH |
| Westfield Friends School | Inactive | Private/Independent School | Cinnaminson | NJ |
| Westford Public Schools | Inactive | Public School District | Westford | MA |
| Westland School | Active | Private/Independent School | Los Angeles | CA |
| Westmark School | Active | Private/Independent School | Encino | CA |
| Westminster School [CT] | Inactive | Private/Independent School | Simsbury | CT |
| Westminster Schools of Augusta | Inactive | Private/Independent School | Augusta | GA |
| Westminster Schools, The | Active | Private/Independent School | Atlanta | GA |
| Weston Public Schools | Inactive | Public School District | Weston | MA |
| Weston Public Schools [CT] | Inactive | Public School District | Weston | CT |
| Westover School | Active | Private/Independent School | Middlebury | CT |
| Westridge School for Girls | Inactive | Private/Independent School | Pasadena | CA |
| Westside School | Active | Private/Independent School | Seattle | WA |
| Westtown School | Inactive | Private/Independent School | West Chester | PA |
| Wheaton Academy | Inactive | Private/Independent School | West Chicago | IL |
| Wheeler School, The | Active | Private/Independent School | Providence | RI |
| Wheeling Country Day School | Inactive | Private/Independent School | Wheeling | WV |
| White Mountain School, The | Active | Private/Independent School | Bethlehem | NH |
| White Plains City Public Schools | Inactive | Public School District | White Plains | NY |
| White Plains CSD | Inactive | Public School District | White Plains | NY |
| Whitefield Academy | Inactive | Private/Independent School | Mableton | GA |
| Whitehead Institute / M i t | Inactive | College/University | Cambridge | MA |
| Whitfield School | Inactive | Private/Independent School | St. Louis | MO |
| Whittier College | Inactive | College/University | Whittier | CA |
| Whittier College | Inactive | College/University | Whittier | CA |
| Whittle School & Studios | Inactive | Private/Independent School | New York | NY |
| Whitworth University | Inactive | College/University | Spokane | WA |
| WHYY | Inactive | Non-Profit Organization [Non School] | Philadelphia | PA |
| Widefield District 3 | Inactive | Public School District | Colorado Springs | CO |
| Widefield School District #3 | Inactive | Public School [Stand Alone] | Colorado Springs | CO |
| Widefield School District 3 | Inactive | Public School District | Colorado sptings | CO |
| Wight Foundation, The | Inactive | Non-Profit Organization [Non School] | Newark | NJ |
| Wilbraham & Monson Academy | Inactive | Private/Independent School | Wilbraham | MA |
| WildFlower Schools DC | Inactive | Non-Profit Organization [Non School] | Washington | DC |
| Wildflower Schools of MA | Inactive | Private/Independent School | Haverhill | MA |
| Wildwood School | Inactive | Private/Independent School | Los Angeles | CA |
| William Penn Charter School | Active | Private/Independent School | Philadelphia | PA |
| Williams School | Inactive | Private/Independent School | New London | CT |
| Williamsburg-James City County Public Schools | Inactive | Public School [Stand Alone] | Williamsburg | VA |
| Williston Northampton School | Inactive | Private/Independent School | Easthampton | MA |
| Willow Oak Montessori Charter School | Inactive | Charter School | Pittsboro | NC |
| Willow School, The | Inactive | Private/Independent School | Gladstone | NJ |
| Wilmington Friends School | Active | Private/Independent School | Wilmington | DE |
| Wilson School, The | Inactive | Private/Independent School | Clayton | MO |
| Winchendon School, The | Inactive | Private/Independent School | Winchendon | MA |
| WINCHESTER PUBLIC SCHOOLS | Inactive | Public School District | WINCHESTER | VA |
| Winchester Public Schools | Inactive | Public School District | Winchester | MA |
| Winchester Thurston School | Active | Private/Independent School | Pittsburgh | PA |
| Windermere Preparatory School | Inactive | Private/Independent School | Windermere | FL |
| Windward School [CA] | Active | Private/Independent School | Los Angeles | CA |
| Windward School, The [NY] | Active | Private/Independent School | White Plains | NY |
| Winona Area Public Schools | Inactive | Public School District | Winona | MN |
| Winooski School District | Inactive | Public School District | Winooski | VT |
| Winsor School | Active | Private/Independent School | Boston | MA |
| Winsor School, The | Inactive | College/University | Boston | MA |
| Winston Preparatory School | Inactive | Private/Independent School | New York | NY |
| Wisconsin Foundation and Alumni Association | Inactive | College/University | Madison | WI |
| Wissahickon Charter School | Inactive | Charter School | Philadelphia | PA |
| Wissahickon School District | Active | Public School District | Ambler | PA |
| Wolf School | Inactive | Private/Independent School | East Providence | RI |
| Woodberry Forest School | Inactive | Private/Independent School | Woodberry Forest | VA |
| Woodbury City Public Schools | Inactive | Public School District | Woodbury | NJ |
| Woodford County Schools | Inactive | Public School District | Versailles | KY |
| Woodhall School, The | Inactive | Private/Independent School | Bethlehem | CT |
| Woodland School | Active | Private/Independent School | Portola Valley | CA |
| Woodlands Academy of the Sacred Heart | Active | Private/Independent School | Lake Forest | IL |
| Woodlynde School | Active | Private/Independent School | Strafford | PA |
| Woodside Priory School | Inactive | Private/Independent School | Portola Valley | CA |
| Woodstock Academy, The | Inactive | Private/Independent School | Woodstock | CT |
| Woodstock Day School | Inactive | Private/Independent School | Saugerties | NY |
| Woodward Academy | Inactive | Private/Independent School | College Park | GA |
| Woodward School, The | Inactive | Private/Independent School | Quincy | MA |
| Wooster City School District | Inactive | Public School District | Wooster | OH |
| Wooster School | Active | Private/Independent School | Danbury | CT |
| Worcester Academy | Inactive | Private/Independent School | Worcester | MA |
| Worcester Public Schools | Inactive | Public School District | Worcester | MA |
| Worcester State University | Inactive | College/University | Worcester | MA |
| WPS (education start-up) | Inactive | Non-Profit Organization [Non School] | Newton Centre | MA |
| Wyandanch Public Library | Inactive | Non-Profit Organization [Non School] | Wyandanch | NY |
| Wyatt Academy | Inactive | Charter School | Denver | CO |
| Wye River Upper School | Inactive | Private/Independent School | Centreville | MD |
| Wyndcroft School, The | Inactive | Private/Independent School | Pottstown | PA |
| Wyoming Seminary | Inactive | Private/Independent School | Kingston | PA |
| Xaverian Brothers High School | Inactive | Private/Independent School | Westwood | MA |
| Xavier High School | Inactive | Private/Independent School | Middletown | CT |
| YAI/NY League for Early Learning | Inactive | Non-Profit Organization [Non School] | New York | NY |
| Yardstick Management | Inactive | Business/Corporation | Atlanta | GA |
| Yarmouth School Department | Inactive | Public School District | Yarmouth | ME |
| Year Up | Inactive | Non-Profit Organization [Non School] | Boston | MA |
| Yeshivah of Flatbush | Inactive | Private/Independent School | Brooklyn | NY |
| YingHua International School | Inactive | Private/Independent School | Princeton | NJ |
| Ymca of Greater Beverly | Inactive | Non-Profit Organization [Non School] | Beverly | MA |
| York School | Inactive | Private/Independent School | Monterey | CA |
| Youth & Opportunity United | Inactive | Non-Profit Organization [Non School] | Evanston | IL |
| YSC Academy | Active | Private/Independent School | Wayne | PA |
| Zurich International School | Inactive | Private/Independent School | Zurich | II |