#1 Best Private Schools in the Diocese of Pittsburgh
Oakland Catholic High School
Diocesan school · Grades 9–12
The smallest classes of any Catholic school in Pittsburgh
Pittsburgh, PA
A+Overall gradeAll girls400 students10 students per teacher
2026 lists
Best Private Schools in the Diocese of Pittsburgh
Private schools in the Diocese of Pittsburgh with the highest overall grades. Top 43 of 43 schools.
#2 Best Private Schools in the Diocese of Pittsburgh
Serra Catholic High School
Diocesan school · Grades 9–12
Smaller classes than 77% of Catholic schools in Pennsylvania
McKeesport, PA
A+Overall grade209 students10 students per teacher
#3 Best Private Schools in the Diocese of Pittsburgh
Mary of Nazareth Catholic S
Diocesan school · Grades Pre-K–8
Smaller classes than 74% of Catholic schools in Pennsylvania
White Oak, PA
A+Overall grade119 students10 students per teacher
#4 Best Private Schools in the Diocese of Pittsburgh
St. Joseph High School
Diocesan school · Grades 9–12
Smaller classes than 82% of Catholic schools in Pennsylvania
Natrona Heights, PA
A+Overall grade126 students9 students per teacher
#5 Best Private Schools in the Diocese of Pittsburgh
Providence Heights Alpha School
Independent Catholic school · Grades Pre-K–8
The only Catholic school in Allison Park
Allison Park, PA
A+Overall grade81 students6 students per teacher
#6 Best Private Schools in the Diocese of Pittsburgh
Bishop Canevin High School
Diocesan school · Grades 9–12
The smallest classes of any Catholic school in Pittsburgh
Pittsburgh, PA
A+Overall grade204 students10 students per teacher
#7 Best Private Schools in the Diocese of Pittsburgh
St. Monica Catholic Academy
Diocesan school · Grades Pre-K–8
The only Catholic school in Beaver Falls
Beaver Falls, PA
A+Overall grade97 students9 students per teacher
#8 Best Private Schools in the Diocese of Pittsburgh
Central Catholic High School
Diocesan school · Grades 9–12
The largest Catholic school in Pittsburgh
Pittsburgh, PA
A+Overall gradeAll boys712 students12 students per teacher
#9 Best Private Schools in the Diocese of Pittsburgh
St. James School
Diocesan school · Grades Pre-K–8
The only Catholic school in Sewickley
Sewickley, PA
A+Overall grade123 students10 students per teacher
#10 Best Private Schools in the Diocese of Pittsburgh
Our Lady of Fatima School
Parish school · Grades Pre-K–8
The only Catholic school in Aliquippa
Aliquippa, PA
A+Overall grade113 students10 students per teacher
#11 Best Private Schools in the Diocese of Pittsburgh
Srces-Madonna Catholic Regional School
Diocesan school · Grades Pre-K–8
Smaller classes than 79% of Catholic schools in Pennsylvania
Monongahela, PA
A+Overall grade98 students10 students per teacher
#12 Best Private Schools in the Diocese of Pittsburgh
St. Wendelin Catholic School
Diocesan school · Grades Pre-K–8
The smallest classes of any Catholic school in Butler
Butler, PA
AOverall grade80 students11 students per teacher
#13 Best Private Schools in the Diocese of Pittsburgh
St. Anthony School Programs
Diocesan school · Grades 1–12
Smaller classes than 71% of Catholic schools in Pennsylvania
Wexford, PA
AOverall grade73 students7 students per teacher
#14 Best Private Schools in the Diocese of Pittsburgh
Divine Mercy Academy
Diocesan school · Grades Pre-K–8
The only Catholic school in Monroeville
Monroeville, PA
AOverall grade166 students13 students per teacher
#15 Best Private Schools in the Diocese of Pittsburgh
Seton Lasalle Catholic High School
Diocesan school · Grades 9–12
86% of graduates go to four-year colleges
Pittsburgh, PA
A-Overall grade433 students12 students per teacher
#16 Best Private Schools in the Diocese of Pittsburgh
Sister Thea Bowman Catholic Academy
Diocesan school · Grades K–8
Serving families in Wilkinsburg since at least 2011
Wilkinsburg, PA
A-Overall grade141 students13 students per teacher
#17 Best Private Schools in the Diocese of Pittsburgh
SS Peter & Paul School
Diocesan school · Grades Pre-K–8
Smaller classes than 60% of Catholic schools in Pennsylvania
Beaver, PA
A-Overall grade125 students12 students per teacher
#18 Best Private Schools in the Diocese of Pittsburgh
Our Lady of the Sacred Heart High School
Independent Catholic school · Grades 9–12
94% of graduates go to four-year colleges
Coraopolis, PA
A-Overall grade335 students11 students per teacher
#19 Best Private Schools in the Diocese of Pittsburgh
Northside Catholic Assumption Academy
Diocesan school · Grades Pre-K–8
Growing: enrollment up 17% since 2015–16
Pittsburgh, PA
B+Overall grade151 students13 students per teacher
#20 Best Private Schools in the Diocese of Pittsburgh
Mother of Mercy Academy
Diocesan school · Grades Pre-K–8
Serving families in Pittsburgh since at least 2011
Pittsburgh, PA
B+Overall grade297 students13 students per teacher
#21 Best Private Schools in the Diocese of Pittsburgh
St. Benedict the Moor School
Diocesan school · Grades K–8
One of 17 Catholic schools in Pittsburgh
Pittsburgh, PA
B+Overall grade130 students12 students per teacher
#22 Best Private Schools in the Diocese of Pittsburgh
St. Bede School
Diocesan school · Grades Pre-K–8
Serving families in Pittsburgh since at least 2011
Pittsburgh, PA
B+Overall grade242 students13 students per teacher
#23 Best Private Schools in the Diocese of Pittsburgh
Holy Sepulcher Catholic School
Diocesan school · Grades Pre-K–8
Serving families in Butler since at least 2011
Butler, PA
B+Overall grade131 students13 students per teacher
#24 Best Private Schools in the Diocese of Pittsburgh
North Catholic High School
Diocesan school · Grades 9–12
96% of graduates go to four-year colleges
Cranberry Township, PA
BOverall grade681 students13 students per teacher
Grades compare each school's official facts, such as class size, how long it has served families and where graduates go, with similar schools. They're a starting point: visit, ask questions and trust what you see.