For the 2026 school year, there are 104 religiously affiliated private schools serving 17,135 students in Idaho (62% of all schools).
The average tuition cost is $8,081, which is lower than the Idaho private school average tuition cost of $10,999.
The most common religiously affiliated schools are Christian (40% of schools), Catholic (20% of schools) and Seventh Day Adventist (14% of schools).
Top-Ranked Idaho Private Schools by Religious Affiliation (2026)
Religious Affiliation
# Schools
# Students
% Minority
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