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

For the 2026-27 school year, there are 570 private schools belonging to membership associations in Wisconsin.
The most popular school membership associations are National Catholic Educational Association (NCEA) (40% of schools), Other religious school association(s) (18% of schools) and Other school association(s) (15% of schools).

Quick Facts (2026-27)

  • # Private Schools: 570

Quick Facts (2026-27)

  • # Private Schools: 570

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

Membership Association
# Schools
# Students
% Minority
Accelerated Christian Education (ACE) or (School of Tomorrow)
13
679
69%
Alabama Association of Independent Schools (AAIS)
1
124
9%
Alternative School Network
1
100
100%
American Association of Christian Schools (AACS)
12
1,732
48%
American Montessori Society (AMS)
14
769
24%
Association Montessori International (AMI)
5
230
13%
Association Montessori Internationale (AMI)
1
145
9%
Association of Christian Schools International (ACSI)
28
5,270
27%
Association of Christian Teachers and Schools (ACTS)
6
1,437
43%
Association of Classical and Christian Schools (ACCS)
2
307
15%
Association of Military Colleges and Schools
1
221
25%
Association of Waldorf Schools of North America
5
680
33%
Christian Schools International (CSI)
9
2,234
27%
Cognia
15
4,190
51%
Council of Bilingual Education
1
76
66%
Council of Islamic Schools in North America (CISNA)
1
220
81%
Educational Records Bureau
1
410
36%
General Conference of the Seventh Day Adventist Church (GCSDAC)
10
318
77%
Independent Schools Association of the Central States (ISACS)
13
4,738
32%
Institute for Independent Education
3
1,535
37%
International Baccalaureate (IB) World School
1
391
24%
International Montessori Council (IMC)
2
289
18%
Islamic School League of America (ISLA)
2
318
62%
Jesuit Secondary Education Association (JSEA)
2
1,092
35%
Middle States Association of Colleges and Secondary Schools
3
370
19%
National Association for the Education of Young Children
12
1,806
48%
National Association of Episcopal Schools (NAES)
5
4,498
18%
National Association of Independent Schools (NAIS)
19
5,057
30%
National Association of Laboratory Schools
1
25
-
National Association of Private Catholic and Independent Schools (NAPCIS)
1
113
16%
National Association of Private Special Education Centers
3
342
26%
National Catholic Education Association
2
330
20%
National Catholic Educational Association (NCEA)
227
47,884
33%
National Christian School Association (NCSA)
3
1,058
49%
National Coalition of Alternative Community Schools
1
100
100%
National Coalition of Girls
1
154
89%
National Council for Private School Accreditation
20
4,100
22%
National Independent Private Schools Association
11
2,512
29%
National Lutheran Schools Accreditation
21
4,067
35%
National Society of Hebrew Day Schools (NSHDS)
1
70
-
Northwest Association of Accredited Schools
1
269
99%
Oral Roberts University Educational Fellowship (ORUEF)
2
330
75%
Other associations(s) for exceptional children
5
296
64%
Other Montessori association(s)
7
581
17%
Other religious school association(s)
100
18,151
34%
Other school association(s)
83
15,493
38%
Other special emphasis association(s)
21
2,731
36%
Prizmah: Center for Jewish Day Schools
1
-
-
Solomon Schechter Day Schools (SSDS)
6
1,441
33%
Southern Baptist Association of Christian Schools (SBACS)
1
124
9%
State or regional independent school association
57
9,883
33%
The Association of Boarding Schools (TABS)
1
221
25%
Waldorf Early Childhood Association of North America
1
165
40%
Wisconsin Evangelical Lutheran Synod School Accreditation (WELSSA)
40
7,382
27%

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