#25 Most Diverse Private Schools in Erie County, NY
St. Marys High School
Independent Catholic school · Grades 9–12
Largest group: 88% of students
Lancaster, NY
B+Overall grade406 students13 students per teacher
2026 lists
Most Diverse Private Schools in Erie County, NY
Private schools in Erie County, NY with the most varied mix of students. Top 43 of 43 schools.
From official public records, updated October 2026.