Listed below are counties with the highest average endowment (2025).
The county with highest average private school endowment is Middlesex County, MA with $82M.
The county with lowest average private school endowment is Cook County, IL with $8M.
Endowment Range: $8M
$1005M
Avg. Endowment: $61M
Average Endowment By County (2025)
County
Average Endowment
Schools with Highest Endowment
Rank: #11.
$82M
Rank: #22.
$75M
Rank: #33.
$64M
Rank: #44.
$60M
Rank: #55.
$52M
Rank: #66.
$48M
Rank: #77.
$47M
Rank: #88.
$42M
Rank: #9-109-10.
$30M
Rank: #9-109-10.
$30M
Rank: #1111.
$25M
Rank: #1212.
$21M
Rank: #1313.
$20M
Rank: #1414.
$18M
Rank: #1515.
$17M
Rank: #1616.
$15M
Rank: #1717.
$12M
- International Children's Academy ($1M)
- St. Philip The Apostle School ($1.2M)
- Los Encinos School ($1.5M)
- Pacifica Christian High School ($1.8M)
- Turning Point School ($2M)
- Walden School ($2M)
- Childrens Community School ($5.2M)
- The Marianne Frostig Center for Eductional Therapy ($5.8M)
- Westside Neighborhood School ($6.1M)
- Vistamar School ($10M)
Rank: #1818.
$9.6M
Rank: #1919.
$9.1M
Frequently Asked Questions
What counties have the private schools with the highest endowment?
The counties with the highest endowment are Middlesex, MA ($82M average endowment), Norfolk, MA ($75M average endowment) and Hartford, CT ($64M average endowment).
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