Private School Review - Established 2003
St. Anselm's Abbey School Top 3 · Most AP Courses (DC)
Washington International School Top 3 · Highest Avg. ACT Score (DC)
Maret School Top 3 · Largest Endowment (DC)

Average Private High School endowment in District Of Columbia

The average private high school endowment in District Of Columbia is $0M (2026-27).
The private high school in District Of Columbia with the highest endowment is Maret School, with a endowment of $50M.

Quick Facts (26-27)

  • # DC Schools Ranked: 5
  • Top 20 Range (Endowment): $1M–$50M
  • DC School Avg.: $19M
  • National School Avg.: $30M

Quick Facts (26-27)

  • # DC Schools Ranked: 5
  • Top 20 Range (Endowment): $1M–$50M
  • DC School Avg.: $19M
  • National School Avg.: $30M
Show school map — District Of Columbia (endowment range: $1M–$50M, avg $19M)
Endowment Range: $1M $50M Avg. Endowment: $19.5M

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

Showing 5 schools
Maret School Photo
#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
View Profile
Gonzaga College High School Photo
#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
View Profile
Washington International School Photo
#3Washington 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
View Profile
St. Albans School Photo
#4St. 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
View Profile
St. Anselm's Abbey School Photo
#5St. Anselm's Abbey School
Gr: 6-12 | 247 students
Sports: 13
All-boys | Alternative School (Catholic)
4501 South Dakota Ave Ne
Washington, DC 20017
(202) 269-2350
$1endowment
View Profile

Frequently Asked Questions

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 Maret School, Gonzaga College High School and Washington International School.

Recent Articles

Who Handles Medication at a Private School?
Who Handles Medication at a Private School?
Learn who handles student medication at private schools, what policies families should review, and which questions parents should ask about prescriptions, emergencies, storage, documentation, and daily administration.
Does Your Child Need a School With a Full-Time Nurse?
Does Your Child Need a School With a Full-Time Nurse?
Learn when a full-time school nurse matters, how private schools handle medications, chronic conditions and emergencies, and which health-service questions parents should ask before enrolling their child.
The Course Availability Test: Are Classes Really Offered?
The Course Availability Test: Are Classes Really Offered?
Learn how to verify whether private school catalog courses are actually offered each year, identify scheduling limitations, and ask better questions before choosing a school for your child today.

Quick Links

SCHOOL SEARCH TOOLS:
SCHOOL BY TYPE (DC):
OPEN-HOUSES & JOBS:
PUBLIC & BOARDING SCHOOLS:
PRIVATE SCHOOL DATA:

Most Popular Articles

A Parent’s Guide to Private School Entrance Exams
A Parent’s Guide to Private School Entrance Exams
 District Of Columbia Private Schools By Tuition Cost
District Of Columbia Private Schools By Tuition Cost
Is Paying More Worth It? Mid-Tuition vs. Premium Private Schools
Is Paying More Worth It? Mid-Tuition vs. Premium Private Schools

More Articles

Timeless School Insights
Expert School Views
Programs for Exceptional Learners
Excellence in School Security
The Journey to Enrollment