For the 2026 school year, there are 463 private schools belonging to membership associations in Missouri.
The most popular school membership associations are National Catholic Educational Association (NCEA) (37% of schools), Other school association(s) (16% of schools) and Association of Christian Schools International (ACSI) (11% of schools).
Top-Ranked Missouri Private Schools by Membership Association (2026)
Membership Association
# Schools
# Students
% Minority
2
1,027
15%
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