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Best Massachusetts Private Schools Belonging to Membership Associations (2026-27)

For the 2026-27 school year, there are 582 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).

Quick Facts (2026-27)

  • # Private Schools: 582

Quick Facts (2026-27)

  • # Private Schools: 582

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

Membership Association
# Schools
# Students
% Minority
Accelerated Christian Education (ACE) or (School of Tomorrow)
2
34
13%
Alabama Association of Independent Schools (AAIS)
1
42
26%
Alternative School Network
1
32
19%
American Association of Christian Schools (AACS)
3
80
80%
American Montessori Society (AMS)
40
4,694
34%
Association Montessori International (AMI)
7
658
42%
Association Montessori Internationale (AMI)
1
52
-
Association of Christian Schools International (ACSI)
25
4,223
36%
Association of Christian Teachers and Schools (ACTS)
2
401
36%
Association of Classical and Christian Schools (ACCS)
2
522
8%
Association of Independent Schools in New England (AISNE)
133
36,311
27%
Association of Waldorf Schools of North America
5
637
11%
Christian Schools International (CSI)
3
980
32%
Cognia
4
173
2%
Council of Bilingual Education
1
31
15%
Educational Records Bureau
3
559
9%
European Council for International Schools
3
163
34%
Friends Council on Education (FCE)
1
-
-
General Conference of the Seventh Day Adventist Church (GCSDAC)
4
702
77%
Institute for Independent Education
3
143
22%
International Baccalaureate (IB) World School
3
1,320
15%
International Boys Schools Coalition
3
1,401
36%
International Coalition of Girls Schools
1
381
27%
International Montessori Council (IMC)
1
34
-
Islamic School League of America (ISLA)
4
466
63%
Jesuit Secondary Education Association (JSEA)
4
505
46%
Learning Disabilities Association of America (LDA)
2
484
8%
Middle States Association of Colleges and Secondary Schools
1
50
-
National Association for the Education of Young Children
112
9,158
46%
National Association for the Gifted
2
231
47%
National Association of College Admissions Counselors
4
1,275
19%
National Association of Episcopal Schools (NAES)
5
1,652
59%
National Association of Independent Schools (NAIS)
123
35,625
27%
National Association of Laboratory Schools
3
344
39%
National Association of Private Catholic and Independent Schools (NAPCIS)
1
245
27%
National Association of Private Special Education Centers
13
981
24%
National Catholic Education Association
3
1,090
8%
National Catholic Educational Association (NCEA)
116
36,108
30%
National Coalition of Alternative Community Schools
2
175
47%
National Coalition of Boys Schools
2
855
41%
National Coalition of Girls
13
4,157
23%
National Council for Private School Accreditation
2
149
49%
National Independent Private Schools Association
7
1,722
30%
National Junior Honor Society (NJHS)
1
249
31%
National Middle School Association
1
424
5%
National Society of Hebrew Day Schools (NSHDS)
3
292
-
New England Association of Schools and Colleges
110
33,788
29%
New Jersey Association of Independent Schools
1
93
30%
Northwest Association of Accredited Schools
1
200
24%
Not Available (School did not report any membership associatons).
1
200
24%
Other associations(s) for exceptional children
26
1,644
27%
Other Montessori association(s)
26
1,777
29%
Other religious school association(s)
17
2,239
40%
Other school association(s)
90
14,125
33%
Other special emphasis association(s)
32
3,715
45%
Prizmah: Center for Jewish Day Schools
1
242
6%
Solomon Schechter Day Schools (SSDS)
3
737
4%
State or regional independent school association
33
4,830
31%
The Association of Boarding Schools (TABS)
26
8,253
31%
Waldorf Early Childhood Association of North America
1
117
6%
Xaverian Brothers School Sponsorship
1
762
37%

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