Average Private High School endowment in Oklahoma

The average private high school endowment in Oklahoma is $0M (2026-27).
The private high school in Oklahoma with the highest endowment is Holland Hall, with a endowment of $109M.

Quick Facts (2026-27)

  • # OK Schools Ranked: 4
  • Top 20 Range (Endowment): $2–$109
  • OK School Avg.: $35
  • National School Avg.: $35

Quick Facts (2026-27)

  • # OK Schools Ranked: 4
  • Top 20 Range (Endowment): $2–$109
  • OK School Avg.: $35
  • National School Avg.: $35
Show school map — Oklahoma (endowment range: $2–$109, avg $35)
Endowment Range: $2M $109M Avg. Endowment: $35.5M

Average Private High School endowment in Oklahoma (2026-27)

Holland Hall Photo
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
Bishop Kelley High School, Inc. Photo
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)
Map of Mount Saint Mary Catholic High School
Gr: 9-12 | 401 students
Catholic
2801 S Shartel Ave
Oklahoma City, OK 73109
(405) 631-8865
Metro Christian Academy Photo
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)

Frequently Asked Questions

What are the private high schools with the highest endowment in Oklahoma?
The top ranked private high schools in Oklahoma include Holland Hall, Bishop Kelley High School, Inc. and Mount Saint Mary Catholic High School.

Recent Articles

When Your Child Outpaces the Private School Curriculum
When Your Child Outpaces the Private School Curriculum
Learn what parents can do when a child finishes private school coursework early, including acceleration, curriculum compacting, advanced classes, enrichment, and signs the school needs a new plan.
How Much Teacher Access Does Your Child Get?
How Much Teacher Access Does Your Child Get?
Learn how to evaluate teacher access at private schools, including extra-help time, advising, communication, academic support, and the questions families should ask before choosing a school today.
When a Private School Teacher Leaves Midyear
When a Private School Teacher Leaves Midyear
When a private school teacher leaves midyear, parents need clear answers. Learn what schools should do, what children may experience, and when a departure signals deeper concerns.

Quick Links