#1 Largest Private Schools in Pennington County, SD
Rapid City Catholic School System
Diocesan school · Grades Pre-K–12
650 students
Rapid City, SD
BOverall grade650 students12 students per teacher
2026 lists
Largest Private Schools in Pennington County, SD
The private schools in Pennington County, SD with the most students. Top 8 of 8 schools.
#2 Largest Private Schools in Pennington County, SD
St. Elizabeth Seton School
Diocesan school · Grades K–5
285 students
Rapid City, SD
B-Overall grade285 students13 students per teacher
#3 Largest Private Schools in Pennington County, SD
Calvary Christian School
Baptist school · Grades Pre-K–5
186 students
Rapid City, SD
BOverall grade186 students11 students per teacher
#4 Largest Private Schools in Pennington County, SD
Zion Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–5
135 students
Rapid City, SD
BOverall grade135 students15 students per teacher
#5 Largest Private Schools in Pennington County, SD
Creekside Christian School
Religious school · Grades K–8
128 students
Rapid City, SD
B+Overall grade128 students11 students per teacher
#6 Largest Private Schools in Pennington County, SD
St. Pauls Lutheran School
Lutheran (Wisconsin Synod) school · Grades K–8
127 students
Rapid City, SD
BOverall grade127 students13 students per teacher
#7 Largest Private Schools in Pennington County, SD
Children's House Montessori
Montessori school · Grades Pre-K–6
45 students
Rapid City, SD
B+Overall grade45 students9 students per teacher
#8 Largest Private Schools in Pennington County, SD
Children's Home Society of Sd/Owen School
Alternative school · Grades Pre-K–7
26 students
Rapid City, SD
AOverall grade26 students4 students per teacher
From official public records, updated October 2026.