#25 Private Schools with the Smallest Classes in South Dakota
James Valley Christian School
Christian school (nondenominational) · Grades Pre-K–12
10.3 students per teacher
Huron, SD
BOverall grade208 students10 students per teacher
2026 lists
Private Schools with the Smallest Classes in South Dakota
Private schools in South Dakota with the fewest students per teacher (not counting preschools and special education schools). Top 49 of 49 schools.
#26 Private Schools with the Smallest Classes in South Dakota
Good Shepherd Lutheran
Lutheran (Wisconsin Synod) school · Grades K–8
10.4 students per teacher
Sioux Falls, SD
B+Overall grade52 students10 students per teacher
#27 Private Schools with the Smallest Classes in South Dakota
Sioux Falls Lutheran School
Lutheran (Missouri Synod) school · Grades K–12
10.5 students per teacher
Sioux Falls, SD
B-Overall grade295 students11 students per teacher
#28 Private Schools with the Smallest Classes in South Dakota
Calvary Christian School
Baptist school · Grades Pre-K–5
10.9 students per teacher
Rapid City, SD
BOverall grade186 students11 students per teacher
#29 Private Schools with the Smallest Classes in South Dakota
Great Plains Lutheran High School
Lutheran (Wisconsin Synod) school · Grades 9–12
10.9 students per teacher
Watertown, SD
BOverall grade137 students11 students per teacher
#30 Private Schools with the Smallest Classes in South Dakota
Creekside Christian School
Religious school · Grades K–8
11 students per teacher
Rapid City, SD
B+Overall grade128 students11 students per teacher
#31 Private Schools with the Smallest Classes in South Dakota
Roncalli Jr. & Sr. High School
Parish school · Grades 6–12
11.1 students per teacher
Aberdeen, SD
B-Overall grade232 students11 students per teacher
#32 Private Schools with the Smallest Classes in South Dakota
Roncalli Elementary School
Parish school · Grades 2–5
11.3 students per teacher
Aberdeen, SD
B-Overall grade169 students11 students per teacher
#33 Private Schools with the Smallest Classes in South Dakota
Rapid City Catholic School System
Diocesan school · Grades Pre-K–12
12.2 students per teacher
Rapid City, SD
BOverall grade650 students12 students per teacher
#34 Private Schools with the Smallest Classes in South Dakota
Holy Trinity Catholic Elementary School
Parish school · Grades Pre-K–5
12.3 students per teacher
Huron, SD
B+Overall grade97 students12 students per teacher
#35 Private Schools with the Smallest Classes in South Dakota
O'Gorman Junior High School
Diocesan school · Grades 7–8
12.4 students per teacher
Sioux Falls, SD
BOverall grade329 students12 students per teacher
#36 Private Schools with the Smallest Classes in South Dakota
Sioux Falls Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–12
12.6 students per teacher
Sioux Falls, SD
B-Overall grade301 students13 students per teacher
#37 Private Schools with the Smallest Classes in South Dakota
St. Elizabeth Seton School
Diocesan school · Grades K–5
12.6 students per teacher
Rapid City, SD
B-Overall grade285 students13 students per teacher
#38 Private Schools with the Smallest Classes in South Dakota
St. Pauls Lutheran School
Lutheran (Wisconsin Synod) school · Grades K–8
12.8 students per teacher
Rapid City, SD
BOverall grade127 students13 students per teacher
#39 Private Schools with the Smallest Classes in South Dakota
Aberdeen Catholic Schools
Parish school · Grades Pre-K–12
13 students per teacher
Aberdeen, SD
B-Overall grade482 students13 students per teacher
#40 Private Schools with the Smallest Classes in South Dakota
Roncalli Primary School
Parish school · Grades Pre-K–12
13.2 students per teacher
Aberdeen, SD
B-Overall grade482 students13 students per teacher
#41 Private Schools with the Smallest Classes in South Dakota
Trinity Lutheran School
Lutheran (Wisconsin Synod) school · Grades K–8
13.5 students per teacher
Aberdeen, SD
B+Overall grade62 students14 students per teacher
#42 Private Schools with the Smallest Classes in South Dakota
St. Mary Catholic School
Diocesan school · Grades Pre-K–12
14 students per teacher
Dell Rapids, SD
B-Overall grade222 students14 students per teacher
#43 Private Schools with the Smallest Classes in South Dakota
Zion Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–5
14.8 students per teacher
Rapid City, SD
BOverall grade135 students15 students per teacher
#44 Private Schools with the Smallest Classes in South Dakota
St. Martins Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
15.5 students per teacher
Watertown, SD
B-Overall grade164 students16 students per teacher
#45 Private Schools with the Smallest Classes in South Dakota
Sioux Falls Christian Schools
Christian school (nondenominational) · Grades Pre-K–12
16.8 students per teacher
Sioux Falls, SD
B-Overall grade1,382 students17 students per teacher
#46 Private Schools with the Smallest Classes in South Dakota
Roncalli Primary School
Parish school · Grades Pre-K–1
17.2 students per teacher
Aberdeen, SD
BOverall grade86 students17 students per teacher
#47 Private Schools with the Smallest Classes in South Dakota
Sioux Falls Catholic School
Parish school · Grades Pre-K–12
21.8 students per teacher
Sioux Falls, SD
B-Overall grade2,231 students22 students per teacher
#48 Private Schools with the Smallest Classes in South Dakota
Volga Christian School
Calvinist school · Grades Pre-K–6
41 students per teacher
Volga, SD
B+Overall grade41 students
From official public records, updated October 2026.