Washington School For Girls Photo - The Washington School for Girls develops confidence, competence, and compassion in young leaders.

Average Private School endowment in District Of Columbia

The average private school endowment in District Of Columbia is $20.2M (2025).
The private school in District Of Columbia with the highest endowment is Sidwell Friends School, with a endowment of $75M.
Endowment Range: $1M $75M Avg. Endowment: $20.2M

Average Private 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
Rank: #55.
Lowell School
Lowell School Photo - Students at every grade-level enjoy hands-on STEAM education.
(10)
Endowment: $4.5 M
Grades: PK-8
1640 Kalmia Road NW
Washington, DC 20012
(202) 577-2000
Rank: #66.
The River School
The River School Photo - The River School offers an inviting, inclusive space for learning where children (18 months - Grade 5) are inspired to observe, wonder and experiment in a nurturing environment. We provide a strong academic foundation through creative, evidence-based teaching. Children are inspired to love learning, become critical thinkers, solve problems, and engage in meaningful inquiry. We are a caring, connected community.
Alternative School
Endowment: $4.1 M
Grades: NS-5
4880 Macarthur Blvd NW
Washington, DC 20007
(202) 337-3554
Rank: #77.
Sheridan School
Sheridan School Photo
(4)
Endowment: $4 M
Grades: K-8
4400 36th Street NW
Washington, DC 20008
(202) 362-7900
Rank: #88.
Washington School For Girls
Washington School For Girls Photo - The Washington School for Girls develops confidence, competence, and compassion in young leaders.
All-girls (Catholic)
Endowment: $3 M
Grades: 3-8
1901 Mississippi Ave Se Ste 203 2nd Fl
Washington, DC 20020
(202) 678-1113
Rank: #99.
Blessed Sacrament School (DC)
Blessed Sacrament School (DC) Photo
(Catholic)
Endowment: $1 M
Grades: K-8
5841 Chevy Chase Pkwy NW
Washington, DC 20015
(202) 966-6682

Frequently Asked Questions

What is the District Of Columbia average private schools endowment?
The District Of Columbia average private schools endowment is $20.2M for 2025.
What are the private schools with the highest endowment in District Of Columbia?
The top ranked private schools in District Of Columbia include Sidwell Friends School, Maret School and Gonzaga College High School.
What is private high school and private elementary school with the highest endowment in District Of Columbia?
The private high school with the highest endowment in District Of Columbia is Sidwell Friends School, with a value of $75.0M. The private elementary school with the highest endowment is Sidwell Friends School, with a value of $75.0M.

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