For the 2026-27 school year, there are 40 private high schools belonging to National Association of Independent Schools (NAIS) serving 19,685 students in Maryland. You can also find more schools membership associations in Maryland.
The top ranked private high schools belonging to National Association of Independent Schools (NAIS) in Maryland include Severn School, Gilman School, and The Bryn Mawr School.
The average tuition cost is $37,395, which is higher than the Maryland private high school average tuition cost of $20,776.
Quick Facts (2026-27)
- # Private Schools: 40

















