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

For the 2026 school year, there are 6 private schools belonging to National Association of Independent Schools (NAIS) serving 3,369 students in Oklahoma. You can also find more schools membership associations in Oklahoma.

The top-ranked private schools belonging to National Association of Independent Schools (NAIS) in Oklahoma include Casady School, Holland Hall, and Heritage Hall.

The average acceptance rate is 76%, which is lower than the Oklahoma private school average acceptance rate of 86%.

67% of private schools belonging to National Association of Independent Schools (NAIS) in Oklahoma are religiously affiliated (most commonly Episcopal and Christian).