For the 2026 school year, there are 6 nonsectarian private high schools in South Dakota. You can also find more religiously affiliated schools in South Dakota.
The top-ranked nonsectarian private high school in South Dakota is St. Francis Indian School.
Top-Ranked Nonsectarian Private High Schools in South Dakota (2026)
School
Location
Quick Facts
502 Warrior Dr
Saint Francis, SD 57572
(605) 747-2299
Saint Francis, SD 57572
(605) 747-2299
Gr: PK-12 | 575 students
Acton Academy Sioux Falls![Acton Academy Sioux Falls Photo - From launching a business, to designing science experiments, to exploring creative expression, students are building meaningful skills every day. Our Guides (not teachers) lead with questions rather than lectures, using the Socratic method to help students find their own answers.]( "Acton Academy Sioux Falls Photo - From launching a business, to designing science experiments, to exploring creative expression, students are building meaningful skills every day. Our Guides (not teachers) lead with questions rather than lectures, using the Socratic method to help students find their own answers.")
Montessori School
4426 S Technology Dr
Sioux Falls, SD 57106
(605) 215-1221
Sioux Falls, SD 57106
(605) 215-1221
Gr: PK-12 | 34 students Avg. class size: 10 students Tuition & acceptance rate listed
Behavioral Care Specialists Learning Center
Special Education School
405 S Washington St
Aberdeen, SD 57401
(605) 351-5281
Aberdeen, SD 57401
(605) 351-5281
Gr: PK-12 | 23 students
Chief Gall Alternative
Alternative School
12451 Hwy 1806 Po Box 680
Mobridge, SD 57601
(605) 845-7181
Mobridge, SD 57601
(605) 845-7181
Gr: 7-12 | 98 students
Education & Integration Services
Special Education School
2000 S Summit Ave
Sioux Falls, SD 57105
(605) 335-8956
Sioux Falls, SD 57105
(605) 335-8956
Gr: 9-12 | 27 students
Lifescape Childrens Specialty School
Special Education School
2501 W 26th St
Sioux Falls, SD 57105
(605) 444-9500
Sioux Falls, SD 57105
(605) 444-9500
Gr: PK-12 | 118 students Avg. class size: 10 students Acceptance rate listed
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