Missoula International School Photo - Our new school is located in the heart of Missoula with beautiful mountain views on all sides. Walking distance to the Clark Fork River and downtown

Best Montana Private Schools Belonging to Membership Associations (2026)

For the 2026 school year, there are 81 private schools belonging to membership associations in Montana.
The most popular school membership associations are National Catholic Educational Association (NCEA) (19% of schools), Association of Christian Schools International (ACSI) (15% of schools) and American Montessori Society (AMS) (14% of schools).

Top-Ranked Montana Private Schools by Membership Association (2026)

Membership Association
# Schools
# Students
% Minority
6
1,710
10%

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