Private School Review - Established 2003
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Best Montana Private Schools Belonging to Membership Associations (2026-27)

For the 2026-27 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).

Quick Facts (2026-27)

  • # Private Schools: 81

Quick Facts (2026-27)

  • # Private Schools: 81

Top Ranked Montana Private Schools by Membership Association (2026-27)

Membership Association
# Schools
# Students
% Minority
Accelerated Christian Education (School of Tomorrow) (ACE)
4
113
22%
American Montessori Society (AMS)
11
693
6%
Association Montessori Internationale (AMI)
2
170
4%
Association of Christian Schools International (ACSI)
12
2,740
9%
Association of Christian Teachers and Schools (ACTS)
1
89
23%
Association of Classical Christian Schools (ACCS)
1
174
3%
Christian Schools International (CSI)
1
321
4%
Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia)
7
1,769
10%
Florida Association of Christian Colleges and Schools (FACCS)
1
56
-
General Conference of Seventh-day Adventists (Education) (GCSDAC)
11
208
25%
International Baccalaureate World School (IB)
1
199
10%
Middle States Association Commissions on Elementary and Secondary Schools (MSA-CESS)
1
56
-
National Association for the Education of Young Children (NAEYC)
2
142
-
National Association of Independent Schools (NAIS)
5
543
61%
National Catholic Educational Association (NCEA)
15
2,747
13%
National Council for Private School Accreditation (NCPSA)
1
59
20%
National Independent Private School Association (NIPSA)
4
141
33%
Northwest Association of Independent Schools (NWAIS)
2
323
7%
Other Montessori association(s)
6
256
6%
Other religious school association(s)
6
614
18%
Other school association(s)
11
1,175
33%
Other special emphasis association(s)
5
405
6%
Solomon Schechter Day Schools (SSDS)
1
71
100%
State or regional independent school association
2
391
6%

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