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Average Endowment By State

Name: National Average Endowment Trends
Creator: Private School Review
License: https://www.privateschoolreview.com/terms

The national average private school endowment is $31.5M (2026-27). The state with the highest average private school endowment is Massachusetts with $94M. The state with the lowest average private school endowment is Minnesota with $12M.

Quick Facts (26-27)

# Private Schools Ranked: 130
State Avg. Range: $12M–$94M
States Ranked: 26
National School Avg.: $23M

Quick Facts (26-27)

# Private Schools Ranked: 130
State Avg. Range: $12M–$94M
States Ranked: 26
National School Avg.: $23M

National Average Endowment (Trends)

Total Growth: +66.3% (+$15.6 million since 2016)

View Data

Year	National avg	YoY Change ($)	YoY Change (%)
2025	$39.1 million	▼ -$0.6 million	▼ -1.4%
2024	$39.6 million	▲ +$0.3 million	▲ +0.7%
2023	$39.4 million	▼ -$1.5 million	▼ -3.6%
2022	$40.9 million	▲ +$0.4 million	▲ +1.0%
2021	$40.4 million	▲ +$0.3 million	▲ +0.7%
2020	$40.2 million	▼ -$0.3 million	▼ -0.7%
2019	$40.5 million	▼ -$3.0 million	▼ -6.9%
2018	$43.4 million	▼ -$2.0 million	▼ -4.4%
2017	$45.5 million	▲ +$22.0 million	▲ +93.5%
2016	$23.5 million	—	—

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Source: National Center for Education Statistics (NCES) Private School Universe Survey (PSS), direct school submissions, and proprietary website research and analysis by Private School Review.

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Show school map — National (Endowment range: $12M–$94M, avg $31.5M)

Endowment Range: $12M $94M Avg. Endowment: $31.5M

Frequently Asked Questions

What is the national average private school endowment?

The national average private school endowment is $31.45M for 2026-27.

What are the private schools with highest endowment in the United States?

The private schools with highest endowment in the United States include Oxbridge Academy Of The Palm Beaches, 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 Massachusetts.

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Did You Know?

The state with highest average private school endowment is Massachusetts , with $94M. The county with the highest average private school endowment is Denver County, CO with $19M.