#25 Largest Private Schools in St. Louis County, MO
St. Margaret of Scotland School
Parish school · Grades Pre-K–8
384 students
Saint Louis, MO
B-Overall grade384 students18 students per teacher
2026 lists
Largest Private Schools in St. Louis County, MO
The private schools in St. Louis County, MO with the most students. Top 50 of 138 schools.
From official public records, updated October 2026.