Listed below are counties with the highest average endowment (2026).
The county with highest average private school endowment is Lake County, IN with $26M.
The county with lowest average private school endowment is St. Louis County, MO with $12M.
Endowment Range: $23M
$805M
Avg. Endowment: $61.6M
Average Endowment By County (2026)
County
Average Endowment
Schools with Highest Endowment
Rank: #18-2018-20.
$26M
Rank: #18-2018-20.
$26M
Rank: #18-2018-20.
$26M
Rank: #1717.
$25M
Rank: #1616.
$24M
Rank: #12-1512-15.
$23M
Rank: #12-1512-15.
$23M
- Presidio Hill School ($1M)
- San Francisco Pacific Academy ($1M)
- San Francisco Waldorf School ($3.5M)
- St. Anne School ($4M)
- San Francisco Waldorf High School ($8M)
- The International School of San Francisco ($9M)
- The Bay School Of San Francisco ($10M)
- Katherine Delmar Burke School (Burke's) ($22M)
- Cathedral School For Boys ($25M)
- The Hamlin School ($31M)
Rank: #12-1512-15.
$23M
Rank: #12-1512-15.
$23M
Rank: #9-119-11.
$22M
Rank: #9-119-11.
$22M
Rank: #9-119-11.
$22M
Rank: #88.
$21M
Rank: #6-76-7.
$20M
- Ecole Bilingue De Berkeley ($2M)
- Redwood Day ($2M)
- Saint Joseph Notre Dame High School ($3M)
- Bishop Odowd High School ($4M)
- Julia Morgan School For Girls ($5M)
- Seneca Family Of Agencies Maya Angelou Academy ($6M)
- Moreau Catholic High School ($11M)
- The College Preparatory School ($29M)
- Fusion Academy Berkeley ($32M)
- Fremont Christian School ($50M)
Rank: #6-76-7.
$20M
Rank: #4-54-5.
$17M
Rank: #4-54-5.
$17M
Rank: #33.
$15M
Rank: #1-21-2.
$12M
Rank: #1-21-2.
$12M
- Central Christian School ($1M)
- Ries Ballwin KinderCare ($1M)
- The Wilson School ($2M)
- Thomas Jefferson School ($3M)
- Lutheran High School North ($3.1M)
- Christian Brothers College High School ($4M)
- Rossman School ($11M)
- The Whitfield School ($15M)
- Chaminade College Prep School ($25M)
- Christ Community Lutheran School ($50M)
Frequently Asked Questions
What counties have the private schools with the highest endowment?
The counties with the highest endowment are Lake, IN ($26M average endowment), Clark, NV ($26M average endowment) and Suffolk, NY ($26M average endowment).
Recent Articles
Year-Round Schooling: Pros and Cons (2026 Guide)
Explore year-round schooling pros and cons in 2026. Learn benefits, drawbacks, schedules, and whether it fits your child鈥檚 needs.
草榴社区 School Dress Codes: 2026 Guide for Families
Learn how private school dress codes work in 2026, including benefits, costs, flexibility, and what parents should expect.
How to Negotiate 草榴社区 School Tuition Legally
Learn how to negotiate private school tuition legally with proven strategies, financial aid tips, and 2026 insights for families.