Acton Academy Sioux Falls Photo - Parents in Sioux Falls, South Dakota are searching for private, alternative school options to best support their children's growth. From our Montessori-based Kinder Program to Middle School Apprenticeships, Acton Academy is reimagining 21st-century education.

Best Sioux Falls Private High Schools (2026)

For the 2026 school year, there are 9 private high schools serving 3,435 students in Sioux Falls, SD.
The top-ranked private high schools in Sioux Falls, SD include Abiding Savior Academy and Preschool, Sioux Falls Christian Schools, and Sioux Falls Lutheran School.
The average acceptance rate is 90%, which is higher than the South Dakota private high school average acceptance rate of 72%.
67% of private high schools in Sioux Falls, SD are religiously affiliated (most commonly Christian and Catholic).

Top-Ranked Sioux Falls Private High Schools (2026)

School
Location
Quick Facts
Abiding Savior Academy and Preschool
(Other Lutheran)
4100 S Bahnson Ave
Sioux Falls, SD 57103
(605) 371-1876
Gr: PK-12 | 294 students Tuition listed
O'gorman High School
O'gorman High School Photo
(Catholic)
3201 S Kiwanis Avenue
Sioux Falls, SD 57105
(605) 336-3644
Gr: 9-12 | 788 students Avg. class size: 24 students Sports: 18 | Extracurrculars: 37 Tuition & acceptance rate listed
Sioux Falls Christian Schools
Sioux Falls Christian Schools Photo
(Christian)
(5)
6120 S Charger Circle
Sioux Falls, SD 57108
(605) 334-1422
Gr: PK-12 | 1,615 student Avg. class size: 23 students Sports: 13 | Extracurrculars: 5 Tuition & acceptance rate listed
Sioux Falls Lutheran School
Sioux Falls Lutheran School Photo - SFLS High School Graduation 2021
(Lutheran Church Missouri Synod)
(4)
6715 South Boe Lane
Sioux Falls, SD 57108
(605) 335-1923
Gr: NS-12 | 544 students Avg. class size: 20 students Sports: 9 | Extracurrculars: 11 Tuition listed
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.
Montessori School
4426 S Technology Dr
Sioux Falls, SD 57106
(605) 215-1221
Gr: PK-12 | 34 students Avg. class size: 10 students Tuition & acceptance rate listed
Cornerstone School
Cornerstone School Photo
Alternative School (Christian)
(5)
900 E 41st St
Sioux Falls, SD 57105
(605) 335-7084
Gr: K-12 Avg. class size: 4 students Sports: 3 Tuition listed
Education & Integration Services
Special Education School
2000 S Summit Ave
Sioux Falls, SD 57105
(605) 335-8956
Gr: 9-12 | 27 students
Empire Baptist High & Academy
(Baptist)
412 S Hawthorne Avenue
Sioux Falls, SD 57104
(605) 339-2038
Gr: 1-12 | 15 students
Lifescape Childrens Specialty School
Special Education School
2501 W 26th St
Sioux Falls, SD 57105
(605) 444-9500
Gr: PK-12 | 118 students Avg. class size: 10 students Acceptance rate listed
[+] Show Closed Private Schools in Sioux Falls, South Dakota

Sioux Falls, South Dakota Private Schools (Closed)

School
Location
Quick Facts
Faith Christian Academy (Closed 2010)
Alternative School (Baptist)
101 N Sycamore Ave
Sioux Falls, SD 57110
(605) 336-1034
Gr: K-12 | 29 students

Overview

This Town (Sioux Falls)
This State (SD)
# Schools
9 Schools

Student Body:

# Students
3,435 Students
7,411 Students
% Average Students of Color
11%
27%

Academics and Faculty:

# Teachers
249 Teachers
626 Teachers
Average Student-Teacher Ratio
14:1
12:1
% Average Faculty w/Advanced Degree
32%
33%
Average Class Size
15 students
14 students
Average Number of AP Courses
12 courses
11 courses
Average ACT score
25
(Out of 36)
24

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$7,653
$7,985
Average % on Financial Aid
25%
33%
Average Acceptance Rate
90%
72%

Students by Ethnicity:

0.50
0.59
# American Indian Students
26 Students
1,308 Students
% American Indian Students
1%
17%
# Asian Students
28 Students
69 Students
% Asian Students
1%
1%
# Hispanic Students
38 Students
136 Students
% Hispanic Students
1%
2%
# Black Students
41 Students
99 Students
% Black Students
1%
1%
# White Students
2,165 Students
4,528 Students
% White Students
63%
59%
# Hawaiian Students
2 Students
95 Students
% Hawaiian Students
n/a
1%
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
1,121 Students
1,424 Students
% of Others Students
33%
19%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
18 extracurriculars
12 extracurriculars
Average Number of Sports
11 sports
9 sports

Frequently Asked Questions

What are the top-ranked private high schools in Sioux Falls, SD?
The top-ranked private high schools in Sioux Falls, SD include Abiding Savior Academy and Preschool, Sioux Falls Christian Schools, and Sioux Falls Lutheran School.
How many private high schools are located in Sioux Falls?
9 private high schools are located in Sioux Falls.
How diverse are private high schools in Sioux Falls?
Sioux Falls private high schools are approximately 11% minority students, which is lower than the South Dakota private school average of 27%.
What percentage of private high schools are religiously affiliated in Sioux Falls?
67% of private high schools in Sioux Falls are religiously affiliated (most commonly Christian and Catholic).
Which private high schools in Sioux Falls are often viewed compared to one another?

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