Average Private School Endowment in District Of Columbia (2026-27 Statistics)

Show school map — District Of Columbia (endowment range: $1M–$50M, avg $14M)

Endowment Range: $1M $50M Avg. Endowment: $13.8M

Average Private School Endowment in District Of Columbia (2026-27)

Showing 9 schools

#1Maret School

Gr: K-12 | 660 students

Avg. class size: 16 students

Sports: 13 | Extracurriculars: 26

3000 Cathedral Avenue NW

Washington, DC 20008

(202) 939-8814

(1)

$50endowment

Add to Compare

View Profile

#2Gonzaga College High School

Gr: 9-12 | 962 students

Avg. class size: 20 students

Sports: 19

All-boys (Catholic)

19 I Street NW

Washington, DC 20001

(202) 336-7100

(5)

$30endowment

Add to Compare

View Profile

#3St. Anselm's Abbey School

Gr: 6-12 | 247 students

Sports: 13

All-boys (Catholic)

4501 South Dakota Ave Ne

Washington, DC 20017

(202) 269-2350

$16endowment

Add to Compare

View Profile

#4Washington International School

Gr: NS-12 | 903 students

Avg. class size: 15 students

Sports: 7 | Extracurriculars: 4

Specialized Curriculum

3100 Macomb Street NW

Washington, DC 20008

(202) 243-1800

$10endowment

Add to Compare

View Profile

#5St. Albans School

Gr: 4-12 | 576 students

Avg. class size: 13 students

Sports: 10

All-boys (Episcopal)

Mount St Alban

Washington, DC 20016

(202) 537-6440

$6endowment

Add to Compare

View Profile

#6The River School

Gr: NS-5 | 185 students

Avg. class size: 12 students

Sports: 3 | Extracurriculars: 8

Alternative School

4880 Macarthur Blvd NW

Washington, DC 20007

(202) 337-3554

$4endowment

Add to Compare

View Profile

#7Sheridan School

Gr: K-8 | 222 students

Avg. class size: 20 students

Sports: 6 | Extracurriculars: 6

4400 36th Street NW

Washington, DC 20008

(202) 362-7900

(4)

$4endowment

Add to Compare

View Profile

#8Washington School For Girls

Gr: 3-8 | 128 students

Avg. class size: 13 students

Sports: 4 | Extracurriculars: 14

All-girls (Catholic)

1865 Mississippi Ave SE

Washington, DC 20020

(202) 678-1113

$3endowment

Add to Compare

View Profile

#9 Blessed Sacrament School (DC)

Gr: K-8 | 519 students

Avg. class size: 18 students

Sports: 4 | Extracurriculars: 22

Catholic

5841 Chevy Chase Pkwy NW

Washington, DC 20015

(202) 966-6682

$1endowment

Add to Compare

View Profile

Frequently Asked Questions

What are the private schools with the highest endowment in District Of Columbia?

The top ranked private schools in District Of Columbia include Maret School, Gonzaga College High School and St. Anselm's Abbey 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 Maret School, with a value of $50.0M. The private elementary school with the highest endowment is Maret School, with a value of $50.0M.

Recent Articles

October 13, 2026

Should Your Child Stay at the Same Private School K–12?

Explore whether your child should attend the same private school from kindergarten through graduation, weighing academic continuity, friendships, changing needs, tuition costs, and opportunities at different educational stages.

October 13, 2026

When Your Child's Closest Friends Leave Private School

Learn how to support your child when close friends leave private school, manage loneliness, maintain friendships, encourage new connections, recognize emotional challenges, and decide when additional school support is needed.

October 13, 2026

When Your Child Doesn't Connect With Their Teacher

Discover when parents should intervene if their child struggles to connect with a private school teacher, including warning signs, communication strategies, classroom concerns, and practical steps toward improving relationships.