Best Washington Private High Schools Belonging to Cognia (2025-26)

For the 2025-26 school year, there are 22 private high schools belonging to Cognia serving 7,723 students in Washington. You can also find more schools membership associations in Washington.

The top ranked private high schools belonging to Cognia in Washington include BASIS Independent Bothell, Northwest Yeshiva High School, and Seattle Christian Schools.

The average tuition cost is $20,077, which is higher than the Washington private high school average tuition cost of $17,414.

32% of private high schools belonging to Cognia in Washington are religiously affiliated (most commonly Christian and Jewish).