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

For the 2026-27 school year, there are 499 private schools belonging to membership associations in Indiana.
The most popular school membership associations are National Catholic Educational Association (NCEA) (32% of schools), Other school association(s) (20% of schools) and Association of Christian Schools International (ACSI) (12% of schools).

Quick Facts (2026-27)

  • # Private Schools: 499

Quick Facts (2026-27)

  • # Private Schools: 499

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

Membership Association
# Schools
# Students
% Minority
Accelerated Christian Education (School of Tomorrow) (ACE)
21
949
29%
American Association of Christian Schools (AACS)
24
3,732
27%
American Montessori Society (AMS)
22
2,633
29%
Association Montessori Internationale (AMI)
4
155
18%
Association of Christian Schools International (ACSI)
62
18,048
20%
Association of Christian Teachers and Schools (ACTS)
7
652
35%
Association of Classical Christian Schools (ACCS)
5
376
23%
Association of Military Colleges and Schools of the United States (AMCSUS)
1
832
28%
Christian Schools International (CSI)
11
4,016
17%
Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia)
43
19,240
22%
Council of Bilingual Education (PVSR legacy category)
7
330
-
Educational Collaborative for International Schools (ECIS)
2
341
76%
Evangelical Lutheran Education Association (ELEA)
4
450
40%
Friends Council on Education (FCE)
1
80
25%
General Conference of Seventh-day Adventists (Education) (GCSDAC)
8
346
79%
Independent Schools Association of the Central States (ISACS)
18
8,876
32%
Institute for Independent Education (PVSR legacy category)
5
929
47%
International Baccalaureate World School (IB)
1
550
55%
International Coalition of Girls' Schools (formerly NCGS) (ICGS)
1
39
73%
International Montessori Council (IMC)
3
321
22%
Islamic School League of America (ISLA)
1
197
13%
Jesuit Schools Network (formerly JSEA) (JSN)
1
841
29%
Lake Michigan Association of Independent Schools (LMAIS)
2
418
43%
Learning Disabilities Association of America (LDA)
1
101
14%
National Association for Bilingual Education (NABE)
1
515
21%
National Association for the Education of Young Children (NAEYC)
37
4,934
27%
National Association for the Gifted
1
416
47%
National Association of Episcopal Schools (NAES)
3
891
34%
National Association of Independent Schools (NAIS)
23
8,920
32%
National Association of Laboratory Schools (NALS)
4
339
50%
National Association of Private Catholic and Independent Schools (NAPCIS)
1
481
44%
National Association of Private Special Education Centers (NAPSEC)
2
799
22%
National Catholic Educational Association (NCEA)
158
48,427
27%
National Christian School Association (NCSA)
3
273
18%
National Independent Private School Association (NIPSA)
11
928
45%
National Lutheran Schools Accreditation (NLSA)
18
3,097
22%
National Society of Hebrew Day Schools (NSHDS)
4
299
1%
Orton Gillingham Academy of Practioners and Educators
1
101
14%
Other associations(s) for exceptional children
5
429
39%
Other Montessori association(s)
10
1,034
35%
Other religious school association(s)
35
4,744
16%
Other school association(s)
100
22,058
22%
Other special emphasis association(s)
22
2,310
20%
Solomon Schechter Day Schools (SSDS)
2
61
25%
Southern Association of Colleges and Schools Commission on Colleges (SACSCOC)
1
313
65%
Southern Baptist Association of Christian Schools (SBACS)
1
21
-
State or regional independent school association
35
9,530
24%
The Association of Boarding Schools (TABS)
2
1,037
29%
Western Association of Schools and Colleges (Accrediting Commission for Schools) (ACS WASC)
1
119
30%

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