Best Oklahoma Private Elementary Schools Belonging to Independent Schools Association of the South West (ISAS) (2025-26)

For the 2025-26 school year, there are 5 private elementary schools belonging to Independent Schools Association of the South West (ISAS) serving 4,250 students in Oklahoma. You can also find more schools membership associations in Oklahoma.

The top ranked private elementary schools belonging to Independent Schools Association of the South West (ISAS) in Oklahoma include Casady School, Heritage Hall, and Riverfield Country Day School.

The average acceptance rate is 58%, which is lower than the Oklahoma private elementary school average acceptance rate of 87%.

40% of private elementary schools belonging to Independent Schools Association of the South West (ISAS) in Oklahoma are religiously affiliated (most commonly Episcopal).