The average private high school endowment in Oklahoma is $128.4M (2026).
The private high school in Oklahoma with the highest endowment is Christian Heritage Academy, with a endowment of $500M.
Endowment Range: $2M
$500M
Avg. Endowment: $128.4M
Average Private High School endowment in Oklahoma (2026)
School
Endowment
Grades
Location
Rank: #11.
Endowment: $500 M
Grades: PK-12
4400 SE 27th STREET
Oklahoma City, OK 73115
(405) 672-1787
Oklahoma City, OK 73115
(405) 672-1787
Rank: #22.
Holland Hall ![Holland Hall Photo - More space to learn and grow. Here our Primary School students make some campfire S'Mores during an outdoor unit. S'More?! How can I have more when I haven't had any?! *Bonus points for knowing the quote*]( "Holland Hall Photo - More space to learn and grow. Here our Primary School students make some campfire S'Mores during an outdoor unit. S'More?! How can I have more when I haven't had any?! *Bonus points for knowing the quote*")
(Episcopal)
Endowment: $109 M
Grades: NS-12
5666 E 81st
Tulsa, OK 74137
(918) 481-1111
Tulsa, OK 74137
(918) 481-1111
Rank: #33.
Endowment: $25 M
Grades: 9-12
3905 S Hudson Avenue
Tulsa, OK 74135
(918) 609-7153
Tulsa, OK 74135
(918) 609-7153
Rank: #44.
Mount Saint Mary Catholic High School
(Catholic)
Endowment: $6 M
Grades: 9-12
2801 S Shartel Ave
Oklahoma City, OK 73109
(405) 631-8865
Oklahoma City, OK 73109
(405) 631-8865
Rank: #55.
Endowment: $2 M
Grades: PK-12
6363 S. Trenton Avenue
Tulsa, OK 74136
(918) 745-9868
Tulsa, OK 74136
(918) 745-9868
Frequently Asked Questions
What is the Oklahoma average private high schools endowment?
The Oklahoma average private high schools endowment is $128.4M for 2026.
What are the private high schools with the highest endowment in Oklahoma?
The top-ranked private high schools in Oklahoma include Christian Heritage Academy, Holland Hall and Bishop Kelley High School, Inc..
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