For the 2026 school year, there are 313 private schools belonging to membership associations in Colorado.
The most popular school membership associations are National Association for the Education of Young Children (20% of schools), Other school association(s) (15% of schools) and Association of Christian Schools International (ACSI) (13% of schools).
Top-Ranked Colorado Private Schools by Membership Association (2026)
Membership Association
# Schools
# Students
% Minority
2
1,255
23%
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