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Best Pennsylvania Private Schools Belonging to Membership Associations (2026)

For the 2026 school year, there are 1,160 private schools belonging to membership associations in Pennsylvania.
The most popular school membership associations are National Catholic Educational Association (NCEA) (28% of schools), National Association for the Education of Young Children (15% of schools) and Other school association(s) (15% of schools).

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

Membership Association
# Schools
# Students
% Minority
Accelerated Christian Education (ACE) or (School of Tomorrow)
35
1,864
50%
Accreditation International
1
180
2%
Alternative School Network
1
28
87%
American Association of Christian Schools (AACS)
12
1,759
22%
American Montessori Society (AMS)
55
4,637
26%
Association Montessori International (AMI)
13
644
16%
Association of Christian Schools International (ACSI)
137
24,805
24%
Association of Christian Teachers and Schools (ACTS)
4
1,290
24%
Association of Classical and Christian Schools (ACCS)
5
1,036
14%
Association of Delaware Valley Independent Schools
11
2,680
24%
Association of Delaware Valley Independent Schools (ADVIS)
44
12,302
33%
Association of Military Colleges and Schools
1
140
41%
Association of Waldorf Schools of North America
5
827
11%
Bilingual School Association
1
181
20%
Christian Schools International (CSI)
7
1,348
32%
Cognia
12
4,719
20%
Council of Bilingual Education
5
154
-
Delaware Association of Independent Schools
2
256
17%
Educational Records Bureau
2
357
50%
European Council for International Schools
11
621
31%
Evangelical Lutheran Education Association (ELEA)
4
452
38%
Friends Council on Education (FCE)
26
7,159
28%
General Conference of the Seventh Day Adventist Church (GCSDAC)
13
392
79%
Institute for Independent Education
8
1,996
19%
International Baccalaureate (IB) World School
2
853
25%
International Boys Schools Coalition
1
943
32%
International Coalition of Girls Schools
1
93
62%
International Montessori Council (IMC)
2
120
19%
Islamic School League of America (ISLA)
5
564
63%
Jesuit Secondary Education Association (JSEA)
2
2,190
15%
Learning Disabilities Association of America (LDA)
4
524
28%
Mercy Secondary Education Association (MSEA)
1
471
4%
Mid Atlantic Christian Schools Association (MACSA)
19
5,172
32%
Middle States Association of Colleges and Secondary Schools
132
38,734
24%
Montessori Educational Programs International (MEPI)
1
258
29%
MSA-CESS Middle States Association Commissions on Elementary and Secondary Schools
19
5,348
24%
National Association for the Education of Young Children
178
15,015
32%
National Association for the Gifted
1
164
35%
National Association of College Admissions Counselors
1
356
22%
National Association of Episcopal Schools (NAES)
12
1,169
53%
National Association of Independent Schools (NAIS)
106
36,181
28%
National Association of Laboratory Schools
11
1,132
33%
National Association of Private Schools
1
1,947
-
National Association of Private Special Education Centers
12
858
29%
National Catholic Education Association
6
1,595
36%
National Catholic Educational Association (NCEA)
323
97,150
22%
National Christian School Association (NCSA)
2
229
7%
National Coalition of Alternative Community Schools
1
111
29%
National Coalition of Boys Schools
1
190
29%
National Coalition of Girls
8
2,582
25%
National Council for Private School Accreditation
3
453
13%
National Independent Private Schools Association
24
4,345
30%
National Lutheran Schools Accreditation
2
417
6%
National Middle School Association
3
581
32%
National Society of Hebrew Day Schools (NSHDS)
6
1,178
4%
Northwest Association of Accredited Schools
1
305
65%
Not Available (School did not report any membership associatons).
2
173
24%
Oral Roberts University Educational Fellowship (ORUEF)
1
316
12%
Other associations(s) for exceptional children
15
1,136
43%
Other Montessori association(s)
19
1,121
29%
Other religious school association(s)
100
12,186
23%
Other school association(s)
176
31,859
23%
Other special emphasis association(s)
55
6,498
25%
Pennsylvania Association of Independent Schools (PAIS)
93
30,714
28%
Prizmah: Center for Jewish Day Schools
3
514
2%
Society For Classical Learning
1
-
-
Solomon Schechter Day Schools (SSDS)
3
590
19%
Southern Baptist Association of Christian Schools (SBACS)
8
622
20%
State or regional independent school association
26
6,410
24%
The Association of Boarding Schools (TABS)
12
7,081
42%
The Jewish Community Day School Association (SSDSA)
2
502
9%
Waldorf Early Childhood Association of North America
3
443
17%

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