The average private high school endowment in Oklahoma is $112.8M (2025-26).
The private high school in Oklahoma with the highest endowment is Christian Heritage Academy, with a endowment of $500M.
Endowment Range: $6M
$500M
Avg. Endowment: $112.8M
Average Private High School endowment in Oklahoma (2025-26)
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: #3 - 53. - 5.
Endowment: $50 M
Grades: PK-12
6363 S. Trenton Avenue
Tulsa, OK 74136
(918) 745-9868
Tulsa, OK 74136
(918) 745-9868
Rank: #3 - 53. - 5.
Endowment: $50 M
Grades: K-9
20 Broadlawn Shopping Ctr
Ardmore, OK 73401
(580) 226-2120
Ardmore, OK 73401
(580) 226-2120
Rank: #3 - 53. - 5.
Talala Christian Academy
(Baptist)
Endowment: $50 M
Grades: 9-12
203 S Cedar St
Talala, OK 74080
(918) 275-4175
Talala, OK 74080
(918) 275-4175
Rank: #66.
Endowment: $25 M
Grades: 9-12
3905 S Hudson Avenue
Tulsa, OK 74135
(918) 609-7153
Tulsa, OK 74135
(918) 609-7153
Rank: #77.
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
Frequently Asked Questions
What is the Oklahoma average private high schools endowment?
The Oklahoma average private high schools endowment is $112.8M for 2025-26.
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 Metro Christian Academy.
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