For the 2026 school year, there are 378 religiously affiliated private schools serving 81,935 students in Washington (48% of all schools).
The average tuition cost is $11,060, which is lower than the Washington private school average tuition cost of $15,605.
The most common religiously affiliated schools are Christian (30% of schools), Catholic (28% of schools) and Seventh Day Adventist (11% of schools).
Top-Ranked Washington 91ÖÆƬ³§s by Religious Affiliation (2026)
Religious Affiliation
# Schools
# Students
% Minority
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