History: Founded in 1897 as this nation’s first country day school

Accreditation: Association of Independent Maryland Schools. Approved by the Maryland State Board of Education.

Campus: 68 acres

Enrollment: 1012
Upper School, grades nine–twelve, 454
Middle School, grades six–eight, 255
Lower School, grades Kindergarten–five, 303

Faculty: full-time 137; part-time 3 
Upper School 65, more than 77 percent with advanced degrees
Average number of years teaching experience 18 
Average number of years teaching experience at Gilman School 11

Student-Faculty Ratio: 8:1

Average Class Size: 16

Tuition and Fees, 2010-2011: 
Upper School (9-12) — $23,290
Middle School (6-8) — $22,640
Lower School (2-5) — $21,340
First Grade — $20,500
Kindergarten — $19,400

Financial Aid Budget: The 2010-11 total budget  is 3.2 million – this includes all grant, discounts and faculty financial aid

Students Receiving Financial Aid: 29 percent in Upper School; 26 percent in Middle School; 17 percent in Lower School, total of 25 percent.

Curriculum: College Preparatory