For the 2025-26 school year, there are 500 private schools belonging to membership associations in Indiana.
The most popular school membership associations are National Catholic Educational Association (NCEA) (31% of schools), Other school association(s) (20% of schools) and Association of Christian Schools International (ACSI) (12% of schools).
Top-Ranked Indiana Private Schools by Membership Association (2025-26)
Membership Association
# Schools
# Students
% Minority
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