For the 2026 school year, there are 584 private schools belonging to membership associations in Massachusetts.
The most popular school membership associations are Association of Independent Schools in New England (AISNE) (23% of schools), National Association of Independent Schools (NAIS) (21% of schools) and National Catholic Educational Association (NCEA) (20% of schools).
Top-Ranked Massachusetts Private Schools by Membership Association (2026)
Membership Association
# Schools
# Students
% Minority
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