#1 Largest Private Schools in Westmoreland County, PA
Mother of Sorrows Parish School
Diocesan school · Grades K–8
389 students
Murrysville, PA
B+Overall grade389 students11 students per teacher
2026 lists
Largest Private Schools in Westmoreland County, PA
The private schools in Westmoreland County, PA with the most students. Top 17 of 17 schools.
#2 Largest Private Schools in Westmoreland County, PA
Mary Queen of Apostles School
Parish school · Grades Pre-K–8
215 students
New Kensington, PA
AOverall grade215 students11 students per teacher
#3 Largest Private Schools in Westmoreland County, PA
Aquinas Academy
Diocesan school · Grades Pre-K–6
210 students
Greensburg, PA
AOverall grade210 students9 students per teacher
#4 Largest Private Schools in Westmoreland County, PA
Christ the Divine Teacher School
Parish school · Grades Pre-K–8
193 students
Latrobe, PA
B+Overall grade193 students11 students per teacher
#5 Largest Private Schools in Westmoreland County, PA
The Kiski School
Independent school · Grades 9–12
189 students
Saltsburg, PA
A+Overall gradeAll boys189 students8 students per teacher
#6 Largest Private Schools in Westmoreland County, PA
St. Sebastian Regional Catholic School
Diocesan school · Grades Pre-K–8
187 students
Belle Vernon, PA
A-Overall grade187 students12 students per teacher
#7 Largest Private Schools in Westmoreland County, PA
Queen of Angels Catholic School
Diocesan school · Grades Pre-K–8
179 students
North Huntingdon, PA
A+Overall grade179 students8 students per teacher
#8 Largest Private Schools in Westmoreland County, PA
Bible Baptist Christian Academy
Baptist school · Grades K–12
90 students
Latrobe, PA
A-Overall grade90 students8 students per teacher
#9 Largest Private Schools in Westmoreland County, PA
Westmoreland Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
82 students
Greensburg, PA
B+Overall grade82 students9 students per teacher
#10 Largest Private Schools in Westmoreland County, PA
Grace Bible Academy
Baptist school · Grades Pre-K–12
70 students
Bradenville, PA
AOverall grade70 students7 students per teacher
#11 Largest Private Schools in Westmoreland County, PA
Heritage Baptist Academy
Baptist school · Grades Pre-K–12
68 students
Jeannette, PA
B+Overall grade68 students12 students per teacher
#12 Largest Private Schools in Westmoreland County, PA
Clelian Heights School for Exceptional Children
Independent Catholic school · Ungraded
60 students
Greensburg, PA
AOverall grade60 students5 students per teacher
#13 Largest Private Schools in Westmoreland County, PA
Adelphoi Education @ Hartford Heights
Alternative school · Grades K–12
55 students
North Huntingdon, PA
B+Overall grade55 students7 students per teacher
#14 Largest Private Schools in Westmoreland County, PA
Outside in School
Independent school · Grades 8–12
47 students
Bolivar, PA
A-Overall gradeAll boys47 students6 students per teacher
#15 Largest Private Schools in Westmoreland County, PA
Trauger Mennonite Church School
Mennonite school · Grades 1–12
28 students
Mount Pleasant, PA
AOverall grade28 students7 students per teacher
#16 Largest Private Schools in Westmoreland County, PA
Pressley Ridge Day School - Greensburg
Special education school · Grades 6–12
23 students
Greensburg, PA
A-Overall grade23 students6 students per teacher
#17 Largest Private Schools in Westmoreland County, PA
Adelphoi Education Partial Hospitalization
Special education school · Grades 2–8
20 students
Latrobe, PA
A-Overall grade20 students5 students per teacher
From official public records, updated October 2026.