Best Washington Private High Schools Belonging to National Independent Private Schools Association (2025-26)
For the 2025-26 school year, there are 5 private high schools belonging to National Independent Private Schools Association serving 1,726 students in Washington. You can also find more schools membership associations in Washington.
40% of private high schools belonging to National Independent Private Schools Association in Washington are religiously affiliated (most commonly Christian).
Learn how sliding-scale and income-based tuition models work and whether they are right for your family. Compare costs, eligibility, and school options.