91制片厂

91制片厂 Review - Established 2003
Holland Hall Photo - Fall in full bloom on our 168 acre campus.
Holland Hall

Best Oklahoma Private High Schools Belonging to National Association of Independent Schools (NAIS) (2026)

For the 2026 school year, there are 4 private high schools belonging to National Association of Independent Schools (NAIS) serving 3,045 students in Oklahoma. You can also find more schools membership associations in Oklahoma.
The top-ranked private high schools belonging to National Association of Independent Schools (NAIS) in Oklahoma include Heritage Hall, Holland Hall, and Mission Academy.
The average acceptance rate is 69%, which is lower than the Oklahoma private high school average acceptance rate of 82%.
50% of private high schools belonging to National Association of Independent Schools (NAIS) in Oklahoma are religiously affiliated (most commonly Episcopal).

Top-Ranked Private High Schools Belonging to National Association of Independent Schools (NAIS) in Oklahoma (2026)

School
Location
Quick Facts
Casady School
Casady School Photo - Casady School includes four divisions: Primary for Pre-K, Lower for grades 1-4, Middle for grades 5-8, and Upper for grades 9-12.
(Episcopal)
9500 N Pennsylvania Ave
Oklahoma City, OK 73120
(405) 749-3200
Gr: PK-12 | 1,049 students Avg. class size: 13 students Sports: 15 | Extracurrculars: 9 Tuition & acceptance rate listed
Heritage Hall
Heritage Hall Photo
1800 NW 122nd Street
Oklahoma City, OK 73120
(405) 936-3009
Gr: PK-12 | 955 students Avg. class size: 13 students Sports: 13 | Extracurrculars: 12 Tuition listed
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*
(Episcopal)
5666 E 81st
Tulsa, OK 74137
(918) 481-1111
Gr: NS-12 | 1,032 students Avg. class size: 18 students Sports: 16 | Extracurrculars: 22 Tuition & acceptance rate listed
Mission Academy
7101 N. Classen
Oklahoma City, OK 73116
(405) 843-9100
Gr: 9-12 | 9 students Avg. class size: 10 students Acceptance rate listed

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