For the 2026-27 school year, there are 39 private schools belonging to National Association of Independent Schools (NAIS) serving 13,329 students in Missouri. You can also find more schools membership associations in Missouri.
The top ranked private schools belonging to National Association of Independent Schools (NAIS) in Missouri include Chaminade College Prep School, The Barstow School, and John Burroughs School.
The average tuition cost is $26,572, which is higher than the Missouri private school average tuition cost of $12,008.
Quick Facts (26-27)
- # Private Schools: 39






























