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): $6M–$50M
  • DC School Avg.: $22M
  • National School Avg.: $30M

Quick Facts (26-27)

  • # DC Schools Ranked: 5
  • Top 20 Range (Endowment): $6M–$50M
  • DC School Avg.: $22M
  • National School Avg.: $30M
Show school map — District Of Columbia (endowment range: $6M–$50M, avg $22M)
Endowment Range: $6M $50M Avg. Endowment: $22.5M

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
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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
(6)
$30endowment
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St. Anselm's Abbey School Photo
#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
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Washington International School Photo
#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
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St. Albans School Photo
#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
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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 St. Anselm's Abbey School.

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