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Best District Of Columbia Private Schools Belonging to Membership Associations (2026)

For the 2026 school year, there are 70 private schools belonging to membership associations in District Of Columbia.
The most popular school membership associations are National Association of Independent Schools (NAIS) (30% of schools), National Catholic Educational Association (NCEA) (21% of schools) and Other school association(s) (17% of schools).

Quick Facts (2026)

  • # Private Schools: 70

Quick Facts (2026)

  • # Private Schools: 70

Top Ranked District Of Columbia Private Schools by Membership Association (2026)

Membership Association
# Schools
# Students
% Minority
Accelerated Christian Education (ACE) or (School of Tomorrow)
1
21
100%
AIMSMDDC (Assoc. of independent Maryland and DC Schools)
11
5,728
40%
American Montessori Society (AMS)
6
298
39%
Association Montessori International (AMI)
1
110
31%
Association Montessori Internationale (AMI)
2
264
26%
Association of Christian Schools International (ACSI)
2
71
100%
Association of Independent Maryland And DC Schools (JAIMS)
8
2,730
32%
Association of Waldorf Schools of North America
1
19
100%
Christian Schools International (CSI)
2
296
99%
Cognia
4
351
89%
European Council for International Schools
1
890
-
Evangelical Lutheran Education Association (ELEA)
1
25
96%
Friends Council on Education (FCE)
1
1,142
55%
General Conference of the Seventh Day Adventist Church (GCSDAC)
1
130
100%
Institute for Independent Education
2
785
21%
International Baccalaureate (IB) World School
2
1,507
-
International Montessori Council (IMC)
2
110
42%
Islamic School League of America (ISLA)
1
25
100%
Jesuit Secondary Education Association (JSEA)
1
962
33%
Middle States Association of Colleges and Secondary Schools
6
3,947
39%
National Association for the Education of Young Children
9
949
42%
National Association of College Admissions Counselors
2
951
50%
National Association of Episcopal Schools (NAES)
3
973
31%
National Association of Independent Schools (NAIS)
21
7,435
37%
National Association of Private Catholic and Independent Schools (NAPCIS)
1
55
50%
National Association of Private Special Education Centers
1
19
100%
National Catholic Educational Association (NCEA)
15
4,823
53%
National Christian School Association (NCSA)
1
24
100%
National Coalition of Girls
4
932
58%
National Independent Private Schools Association
3
230
100%
New England Association of Schools and Colleges
1
617
-
Other Montessori association(s)
1
19
100%
Other religious school association(s)
1
-
-
Other school association(s)
12
1,980
39%
Other special emphasis association(s)
3
375
69%
Progressive Education Network
1
220
40%
Southern Association Of Colleges And Schools (SACS)
1
326
20%
State or regional independent school association
1
-
-
The Association of Boarding Schools (TABS)
3
970
40%

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