The national average private school endowment is $61M (2025). The state with the highest average private school endowment is Arizona with $1005M. The state with the lowest average private school endowment is Washington with $8M.
Endowment Range: $8M
$1005M
Avg. Endowment: $61M
Average Endowment By State (2025)
State
Average Endowment
Schools with Highest Endowment
Rank: #11.
$1005M
Rank: #22.
$138M
Rank: #33.
$106M
Rank: #44.
$98M
Rank: #55.
$74M
Rank: #66.
$70M
Rank: #77.
$69M
Rank: #88.
$63M
Rank: #9-109-10.
$52M
Rank: #9-109-10.
$52M
Rank: #1111.
$49M
Rank: #1212.
$48M
Rank: #1313.
$46M
Rank: #1414.
$30M
Rank: #15-1615-16.
$25M
Rank: #15-1615-16.
$25M
Rank: #1717.
$24M
Rank: #1818.
$23M
Rank: #1919.
$21M
Rank: #20-2220-22.
$20M
Rank: #20-2220-22.
$20M
Rank: #20-2220-22.
$20M
Rank: #2323.
$17M
Rank: #2424.
$16M
Rank: #2525.
$15M
Rank: #2626.
$12M
Rank: #2727.
$8.7M
Rank: #2828.
$8.5M
Frequently Asked Questions
What is the national average private school endowment?
The national average private school endowment is $60.98M for 2025.
What are the private schools with highest endowment in the United States?
The private schools with highest endowment in the United States include Western Reserve Academy, Phillips Academy Andover and Conserve School.
What is the state with the highest average private school endowment?
The state with the highest average private school endowment is Arizona.
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