Holland Hall Photo - Fall in full bloom on our 168 acre campus.

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

For the 2026 school year, there are 5 private elementary schools belonging to National Association of Independent Schools (NAIS) serving 3,360 students in Oklahoma. You can also find more schools membership associations in Oklahoma.
The top-ranked private elementary schools belonging to National Association of Independent Schools (NAIS) in Oklahoma include Heritage Hall, Holland Hall, and Casady School.
The average acceptance rate is 70%, which is lower than the Oklahoma private elementary school average acceptance rate of 87%.
80% of private elementary schools belonging to National Association of Independent Schools (NAIS) in Oklahoma are religiously affiliated (most commonly Episcopal and Christian).

Top-Ranked Private Elementary 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 student 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 student Avg. class size: 18 students Sports: 16 | Extracurrculars: 22 Tuition & acceptance rate listed
St. John Christian Heritage Academy
(Christian)
(1)
5700 N Kelley Ave
Oklahoma City, OK 73111
(405) 478-8607
Gr: PK-5 | 76 students Tuition listed
St. Marys Episcopal School
(Episcopal)
(1)
505 E Covell Rd
Edmond, OK 73034
(405) 341-9541
Gr: NS-5 | 248 students Avg. class size: 15 students Sports: 5 | Extracurrculars: 7 Tuition & acceptance rate listed

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