#25 Largest Private Schools in South Dakota
Black Hills Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
134 students
Spearfish, SD
BOverall grade134 students10 students per teacher
2026 lists
Largest Private Schools in South Dakota
The private schools in South Dakota with the most students. Top 50 of 56 schools.
#26 Largest Private Schools in South Dakota
Creekside Christian School
Religious school · Grades K–8
128 students
Rapid City, SD
B+Overall grade128 students11 students per teacher
#27 Largest Private Schools in South Dakota
St. Pauls Lutheran School
Lutheran (Wisconsin Synod) school · Grades K–8
127 students
Rapid City, SD
BOverall grade127 students13 students per teacher
#28 Largest Private Schools in South Dakota
Our Lady of Lourdes Elementary
Parish school · Grades K–8
113 students
Porcupine, SD
BOverall grade113 students9 students per teacher
#29 Largest Private Schools in South Dakota
Pierre Indian Learning Center
Alternative school · Grades 1–8
107 students
Pierre, SD
BOverall grade107 students6 students per teacher
#30 Largest Private Schools in South Dakota
Lifescape
Special education school · Grades 1–12
107 students
Sioux Falls, SD
B-Overall grade107 students9 students per teacher
#31 Largest Private Schools in South Dakota
Christ the King Grade School
Parish school · Grades Pre-K–6
102 students
Sioux Falls, SD
AOverall grade102 students5 students per teacher
#32 Largest Private Schools in South Dakota
Holy Trinity Catholic Elementary School
Parish school · Grades Pre-K–5
97 students
Huron, SD
B+Overall grade97 students12 students per teacher
#33 Largest Private Schools in South Dakota
Dakota Christian School
Christian school (nondenominational) · Grades Pre-K–12
94 students
Corsica, SD
B+Overall grade94 students9 students per teacher
#34 Largest Private Schools in South Dakota
St. Lawrence School
Parish school · Grades Pre-K–6
91 students
Milbank, SD
BOverall grade91 students10 students per teacher
#35 Largest Private Schools in South Dakota
St. Agnes Elementary School
Diocesan school · Grades Pre-K–5
88 students
Vermillion, SD
B+Overall grade88 students10 students per teacher
#36 Largest Private Schools in South Dakota
Roncalli Primary School
Parish school · Grades Pre-K–1
86 students
Aberdeen, SD
BOverall grade86 students17 students per teacher
#37 Largest Private Schools in South Dakota
Children's Home Society of Sd/Loving School
Alternative school · Grades Pre-K–8
85 students
Sioux Falls, SD
A+Overall grade85 students7 students per teacher
#38 Largest Private Schools in South Dakota
St. John Paul II Elementary School
Parish school · Grades Pre-K–6
82 students
Mitchell, SD
AOverall grade82 students8 students per teacher
#39 Largest Private Schools in South Dakota
Sunshine Bible Academy
Christian school (nondenominational) · Grades Pre-K–12
82 students
Miller, SD
A+Overall grade82 students7 students per teacher
#40 Largest Private Schools in South Dakota
Watertown Christian School
Christian school (nondenominational) · Grades Pre-K–8
79 students
Watertown, SD
BOverall grade79 students
#41 Largest Private Schools in South Dakota
St. Thomas More Catholic School
Parish school · Grades Pre-K–4
74 students
Brookings, SD
B+Overall grade74 students7 students per teacher
#42 Largest Private Schools in South Dakota
Trinity Lutheran School
Lutheran (Wisconsin Synod) school · Grades K–8
62 students
Aberdeen, SD
B+Overall grade62 students14 students per teacher
#43 Largest Private Schools in South Dakota
Windswept Academy
Christian school (nondenominational) · Grades K–11
61 students
Eagle Butte, SD
A-Overall grade61 students8 students per teacher
#44 Largest Private Schools in South Dakota
Freeman Academy
Mennonite school · Grades Pre-K–12
56 students
Freeman, SD
A+Overall grade56 students5 students per teacher
#45 Largest Private Schools in South Dakota
Good Shepherd Lutheran
Lutheran (Wisconsin Synod) school · Grades K–8
52 students
Sioux Falls, SD
B+Overall grade52 students10 students per teacher
#46 Largest Private Schools in South Dakota
Accurate and Conscious Education Academy
Alternative school · Grades Pre-K–10
46 students
Sioux Falls, SD
B+Overall grade46 students8 students per teacher
#47 Largest Private Schools in South Dakota
Children's House Montessori
Montessori school · Grades Pre-K–6
45 students
Rapid City, SD
B+Overall grade45 students9 students per teacher
#48 Largest Private Schools in South Dakota
St. Thomas School
Independent Catholic school · Grades Pre-K–5
44 students
Madison, SD
AOverall grade44 students9 students per teacher
From official public records, updated October 2026.