#25 Largest Private Schools in Allegheny County, PA
Shady Side Academy Junior School
Independent school · Grades Pre-K–5
263 students
Pittsburgh, PA
A+Overall grade263 students4 students per teacher
2026 lists
Largest Private Schools in Allegheny County, PA
The private schools in Allegheny County, PA with the most students. Top 50 of 95 schools.
From official public records, updated October 2026.