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Best Maine Private Schools Belonging to Membership Associations (2026)

For the 2026 school year, there are 100 private schools belonging to membership associations in Maine.
The most popular school membership associations are Other school association(s) (22% of schools), National Association of Independent Schools (NAIS) (21% of schools) and New England Association of Schools and Colleges (19% of schools).

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

Membership Association
# Schools
# Students
% Minority
Accelerated Christian Education (ACE) or (School of Tomorrow)
7
166
11%
Alternative School Network
2
190
28%
American Association of Christian Schools (AACS)
6
295
9%
American Montessori Society (AMS)
10
773
17%
Association of Christian Schools International (ACSI)
10
1,072
7%
Association of Christian Teachers and Schools (ACTS)
1
21
-
Association of Classical and Christian Schools (ACCS)
1
150
4%
Association of Independent Schools in New England (AISNE)
7
2,306
13%
Association of Waldorf Schools of North America
4
318
6%
Council of Bilingual Education
1
231
2%
European Council for International Schools
1
81
-
Friends Council on Education (FCE)
1
138
10%
General Conference of the Seventh Day Adventist Church (GCSDAC)
4
43
17%
Institute for Independent Education
1
76
12%
Jesuit Secondary Education Association (JSEA)
1
374
7%
National Association for the Education of Young Children
5
329
18%
National Association of Independent Schools (NAIS)
21
7,869
12%
National Association of Private Special Education Centers
3
541
25%
National Catholic Education Association
1
168
10%
National Catholic Educational Association (NCEA)
8
2,232
13%
National Coalition of Girls
1
76
12%
National Honor Society (NHS)
1
97
2%
National Independent Private Schools Association
1
167
29%
New England Association of Schools and Colleges
19
3,977
13%
Other associations(s) for exceptional children
4
156
18%
Other Montessori association(s)
6
388
31%
Other religious school association(s)
5
192
5%
Other school association(s)
22
5,329
12%
Other special emphasis association(s)
3
211
28%
State or regional independent school association
9
3,410
11%
The Association of Boarding Schools (TABS)
8
2,335
17%
Waldorf Early Childhood Association of North America
1
-
-

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