Average Private School endowment in Oklahoma (2026-27)

Show school map — Oklahoma (endowment range: $2–$109, avg $26)

Endowment Range: $2M $109M Avg. Endowment: $26.1M

Average Private School endowment in Oklahoma (2026-27)

Showing 6 schools

#1Holland Hall

Gr: NS-12 | 1,032 students

Avg. class size: 18 students

Sports: 16 | Extracurriculars: 22

Episcopal

5666 E 81st

Tulsa, OK 74137

(918) 481-1111

$109endowment

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#2Bishop Kelley High School, Inc.

Gr: 9-12 | 892 students

Avg. class size: 16 students

Sports: 18 | Extracurriculars: 56

Specialized Curriculum (Catholic)

3905 S Hudson Avenue

Tulsa, OK 74135

(918) 609-7153

(3)

$25endowment

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#3Monte Cassino School

Gr: PK-8 | 810 students

Avg. class size: 15 students

Sports: 14 | Extracurriculars: 19

Catholic

2206 S Lewis Ave

Tulsa, OK 74114

(918) 742-3364

(16)

$12endowment

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Map of Mount Saint Mary Catholic High School

#4Mount Saint Mary Catholic High School

Gr: 9-12 | 401 students

Catholic

2801 S Shartel Ave

Oklahoma City, OK 73109

(405) 631-8865

$6endowment

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#5Mizel Jewish Community Day School

Gr: NS-5 | 76 students

Avg. class size: 10 students

Jewish

2021 E 71st St

Tulsa, OK 74136

(918) 494-0953

$3endowment

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#6Metro Christian Academy

Gr: PK-12 | 1,187 students

Avg. class size: 18 students

Sports: 11 | Extracurriculars: 31

Christian

6363 S. Trenton Avenue

Tulsa, OK 74136

(918) 745-9868

(5)

$2endowment

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Frequently Asked Questions

What are the private schools with the highest endowment in Oklahoma?

The top ranked private schools in Oklahoma include Holland Hall, Bishop Kelley High School, Inc. and Monte Cassino School.

What is private high school and private elementary school with the highest endowment in Oklahoma?

The private high school with the highest endowment in Oklahoma is Holland Hall, with a value of $108.826M. The private elementary school with the highest endowment is Holland Hall, with a value of $108.826M.

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