For the 2026-27 school year, there are 80 private schools belonging to Other school association(s) serving 18,244 students in Washington. You can also find more schools membership associations in Washington.
The top ranked private schools belonging to Other school association(s) in Washington include Bellarmine Preparatory School, St. Thomas School, and Our Lady Of The Lake School.
The average tuition cost is $17,953, which is higher than the Washington private school average tuition cost of $15,225.
Quick Facts (26-27)
- # Private Schools: 80




















