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District Of Columbia Private Schools Belonging to Membership Associations

For the 2026-27 school year, there are 69 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), Association of Independent Maryland and DC Schools (AIMS-MDDC) (25% of schools) and National Catholic Educational Association (NCEA) (22% of schools).

Quick Facts (26-27)

  • # Private Schools: 69

Quick Facts (26-27)

  • # Private Schools: 69

Top Ranked District Of Columbia Private Schools by Membership Association (2026-27)

Membership Association
# Schools
# Students
% Minority
Accelerated Christian Education (School of Tomorrow) (ACE)
1
21
100%
American Montessori Society (AMS)
6
298
39%
Association Montessori Internationale (AMI)
2
264
26%
Association of Christian Schools International (ACSI)
2
71
100%
Association of Independent Maryland and DC Schools (AIMS-MDDC)
17
7,416
38%
Association of Waldorf Schools of North America (AWSNA)
1
19
100%
Christian Schools International (CSI)
2
296
99%
Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia)
4
351
89%
Educational Collaborative for International Schools (ECIS)
1
903
60%
Evangelical Lutheran Education Association (ELEA)
1
25
96%
Friends Council on Education (FCE)
1
1,135
62%
General Conference of Seventh-day Adventists (Education) (GCSDAC)
1
130
100%
Institute for Independent Education (PVSR legacy category)
2
785
21%
International Baccalaureate World School (IB)
2
1,520
60%
International Coalition of Girls' Schools (formerly NCGS) (ICGS)
4
932
58%
International Montessori Council (IMC)
2
110
42%
Islamic School League of America (ISLA)
1
25
100%
Jesuit Schools Network (formerly JSEA) (JSN)
1
962
33%
Middle States Association Commissions on Elementary and Secondary Schools (MSA-CESS)
6
3,957
44%
National Association for the Education of Young Children (NAEYC)
8
937
43%
National Association of Episcopal Schools (NAES)
3
973
31%
National Association of Independent Schools (NAIS)
21
7,440
41%
National Association of Private Catholic and Independent Schools (NAPCIS)
1
55
50%
National Association of Private Special Education Centers (NAPSEC)
1
19
100%
National Catholic Educational Association (NCEA)
15
4,817
53%
National Christian School Association (NCSA)
1
24
100%
National Independent Private School Association (NIPSA)
3
230
100%
New England Association of Schools and Colleges (NEASC)
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 (PEN)
1
222
40%
Southern Association of Colleges and Schools Commission on Colleges (SACSCOC)
1
326
20%
State or regional independent school association
1
-
-
The Association of Boarding Schools (TABS)
3
970
40%

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