Maret School Photo - Upper School students gather in the Theatre weekly for Convocation, a meeting run by Student Council.

Average Private High School endowment in District Of Columbia

The average private high school endowment in District Of Columbia is $41.4M (2025).
The private high school in District Of Columbia with the highest endowment is Sidwell Friends School, with a endowment of $75M.
Endowment Range: $10M $75M Avg. Endowment: $41.4M

Average Private High School endowment in District Of Columbia (2025)

School
Endowment
Grades
Location
Rank: #11.
Sidwell Friends School
(Friends)
Endowment: $75 M
Grades: PK-12
3825 Wisconsin Ave NW
Washington, DC 20016
(202) 537-8100
Rank: #22.
Maret School
Maret School Photo - Upper School students gather in the Theatre weekly for Convocation, a meeting run by Student Council.
(1)
Endowment: $50 M
Grades: K-12
3000 Cathedral Avenue NW
Washington, DC 20008
(202) 939-8814
Rank: #33.
Gonzaga College High School
Gonzaga College High School Photo - Gonzaga is Washington's only Catholic, Jesuit high school. The campus is located in the heart of our nation's capital and consists of nine buildings. In recent years, the physical plant has undergone major renovations and additions.
All-boys (Catholic)
(4)
Endowment: $30 M
Grades: 9-12
19 I Street NW
Washington, DC 20001
(202) 336-7100
Rank: #44.
Washington International School
Washington International School Photo - The Primary School outdoor play area includes a field used for a variety of activities.
Special Program Emphasis
Endowment: $10 M
Grades: NS-12
3100 Macomb Street NW
Washington, DC 20008
(202) 243-1800

Frequently Asked Questions

What is the District Of Columbia average private high schools endowment?
The District Of Columbia average private high schools endowment is $41.4M for 2025.
What are the private high schools with the highest endowment in District Of Columbia?
The top ranked private high schools in District Of Columbia include Sidwell Friends School, Maret School and Gonzaga College High School.

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