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Best South Dakota Private Schools Belonging to Membership Associations (2026)

For the 2026 school year, there are 65 private schools belonging to membership associations in South Dakota.
The most popular school membership associations are National Catholic Educational Association (NCEA) (31% of schools), Association of Christian Schools International (ACSI) (22% of schools) and Other school association(s) (14% of schools).

Quick Facts (2026)

  • # Private Schools: 65

Quick Facts (2026)

  • # Private Schools: 65

Top Ranked South Dakota Private Schools by Membership Association (2026)

Membership Association
# Schools
# Students
% Minority
Accelerated Christian Education (ACE) or (School of Tomorrow)
1
15
6%
American Montessori Society (AMS)
2
88
3%
Association Montessori International (AMI)
1
67
-
Association of Christian Schools International (ACSI)
14
1,845
15%
Association of Classical and Christian Schools (ACCS)
1
294
12%
Christian Schools International (CSI)
3
1,768
11%
Cognia
2
387
14%
General Conference of the Seventh Day Adventist Church (GCSDAC)
2
22
33%
Islamic School League of America (ISLA)
1
37
100%
Jesuit Secondary Education Association (JSEA)
2
532
99%
National Association for the Education of Young Children
3
630
5%
National Association of Episcopal Schools (NAES)
3
627
7%
National Association of Private Special Education Centers
1
158
7%
National Catholic Educational Association (NCEA)
20
4,889
11%
National Christian School Association (NCSA)
2
540
6%
National Independent Private Schools Association
1
4
80%
National Lutheran Schools Accreditation
1
544
8%
Other associations(s) for exceptional children
1
118
28%
Other Montessori association(s)
1
28
100%
Other religious school association(s)
7
1,468
11%
Other school association(s)
9
2,094
19%
Other special emphasis association(s)
1
575
100%
Southern Baptist Association of Christian Schools (SBACS)
1
132
100%
State or regional independent school association
6
584
8%

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