#1 Most Diverse Private Schools in Allegheny County, PA
Grace Non-Traditional Christian Academy
Alternative school · Grades 9–12
Largest group: 34% of students
Pittsburgh, PA
B-Overall grade407 students
2026 lists
Most Diverse Private Schools in Allegheny County, PA
Private schools in Allegheny County, PA with the most varied mix of students. Top 50 of 79 schools.
#2 Most Diverse Private Schools in Allegheny County, PA
Greater Works Christian School
Christian school (nondenominational) · Grades Pre-K–7
Largest group: 40% of students
Monroeville, PA
B+Overall grade60 students10 students per teacher
#3 Most Diverse Private Schools in Allegheny County, PA
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Special education school · Grades K–12
Largest group: 43% of students
Monroeville, PA
AOverall grade70 students5 students per teacher
#4 Most Diverse Private Schools in Allegheny County, PA
Shady Side Academy
Independent school · Grades Pre-K–12
Largest group: 46% of students
Pittsburgh, PA
B+Overall grade1,118 students21 students per teacher
#5 Most Diverse Private Schools in Allegheny County, PA
Pittsburgh Urban Christian School
Christian school (nondenominational) · Grades Pre-K–8
Largest group: 50% of students
Pittsburgh, PA
A-Overall grade111 students11 students per teacher
#6 Most Diverse Private Schools in Allegheny County, PA
Mary of Nazareth Catholic S
Diocesan school · Grades Pre-K–8
Largest group: 51% of students
White Oak, PA
A+Overall grade119 students10 students per teacher
#7 Most Diverse Private Schools in Allegheny County, PA
Pressley Ridge Day School - Pittsburgh
Special education school · Grades 1–12
Largest group: 52% of students
Pittsburgh, PA
A+Overall grade56 students5 students per teacher
#8 Most Diverse Private Schools in Allegheny County, PA
Pace School
Special education school · Grades 1–12
Largest group: 53% of students
Pittsburgh, PA
B+Overall grade92 students5 students per teacher
#9 Most Diverse Private Schools in Allegheny County, PA
Oakland Catholic High School
Diocesan school · Grades 9–12
Largest group: 56% of students
Pittsburgh, PA
A+Overall gradeAll girls400 students10 students per teacher
#10 Most Diverse Private Schools in Allegheny County, PA
St. Edmund's Academy
Independent school · Grades Pre-K–8
Largest group: 56% of students
Pittsburgh, PA
A+Overall grade270 students7 students per teacher
#11 Most Diverse Private Schools in Allegheny County, PA
The Campus Laboratory School of Carlow University
Christian school (nondenominational) · Grades Pre-K–8
Largest group: 57% of students
Pittsburgh, PA
A+Overall grade150 students4 students per teacher
#12 Most Diverse Private Schools in Allegheny County, PA
Western Pennsylvania School for the Deaf
Special education school · Grades Pre-K–12
Largest group: 58% of students
Pittsburgh, PA
A+Overall grade136 students3 students per teacher
#13 Most Diverse Private Schools in Allegheny County, PA
Winchester Thurston School
Independent school · Grades Pre-K–12
Largest group: 59% of students
Allison Park, PA
A+Overall grade645 students9 students per teacher
#14 Most Diverse Private Schools in Allegheny County, PA
Shady Side Academy
Independent school · Grades Pre-K–12
Largest group: 61% of students
Pittsburgh, PA
A-Overall grade1,118 students8 students per teacher
#15 Most Diverse Private Schools in Allegheny County, PA
Trinity Christian School
Christian school (nondenominational) · Grades K–12
Largest group: 62% of students
Wilkinsburg, PA
BOverall grade449 students14 students per teacher
#16 Most Diverse Private Schools in Allegheny County, PA
Walnut Grove Christian School
Assembly of God school · Grades Pre-K–6
Largest group: 62% of students
West Mifflin, PA
B+Overall grade92 students9 students per teacher
#17 Most Diverse Private Schools in Allegheny County, PA
New Outlook Academy
Alternative school · Grades 7–12
Largest group: 62% of students
Pittsburgh, PA
A+Overall gradeAll girls53 students5 students per teacher
#18 Most Diverse Private Schools in Allegheny County, PA
Waldorf School of Pittsburgh
Independent school · Grades 1–8
Largest group: 64% of students
Pittsburgh, PA
A+Overall grade121 students5 students per teacher
#19 Most Diverse Private Schools in Allegheny County, PA
Grace Non-Traditional Christian Academy
Independent school · Grades 9–12
Largest group: 65% of students
Pittsburgh, PA
B-Overall grade234 students11 students per teacher
#20 Most Diverse Private Schools in Allegheny County, PA
Falk Laboratory School
Independent school · Grades K–8
Largest group: 66% of students
Pittsburgh, PA
A+Overall grade432 students7 students per teacher
#21 Most Diverse Private Schools in Allegheny County, PA
Ellis School
Independent school · Grades Pre-K–12
Largest group: 66% of students
Pittsburgh, PA
A+Overall gradeAll girls367 students6 students per teacher
#22 Most Diverse Private Schools in Allegheny County, PA
Redeemer Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–12
Largest group: 66% of students
Verona, PA
B-Overall grade202 students13 students per teacher
#23 Most Diverse Private Schools in Allegheny County, PA
The Day School at Childrens Institute Pittsburgh
Special education school · Grades K–12
Largest group: 66% of students
Pittsburgh, PA
A+Overall grade170 students5 students per teacher
#24 Most Diverse Private Schools in Allegheny County, PA
Western Pennsylvania School for Blind Children
Special education school · Grades Pre-K–12
Largest group: 67% of students
Pittsburgh, PA
A+Overall grade180 students6 students per teacher
From official public records, updated October 2026.