#1 Largest Private Schools in Franklin County, PA
Shalom Christian Academy
Brethren school · Grades Pre-K–12
671 students
Chambersburg, PA
BOverall grade671 students15 students per teacher
2026 lists
Largest Private Schools in Franklin County, PA
The private schools in Franklin County, PA with the most students. Top 18 of 18 schools.
#2 Largest Private Schools in Franklin County, PA
Mercersburg Academy
Independent school · Grades 9–12
439 students
Mercersburg, PA
A+Overall grade439 students8 students per teacher
#3 Largest Private Schools in Franklin County, PA
Cumberland Valley Christian School
Christian school (nondenominational) · Grades Pre-K–12
424 students
Chambersburg, PA
B-Overall grade424 students19 students per teacher
#4 Largest Private Schools in Franklin County, PA
Corpus Christi School
Parish school · Grades Pre-K–8
175 students
Chambersburg, PA
A+Overall grade175 students10 students per teacher
#5 Largest Private Schools in Franklin County, PA
Shady Grove Mennonite School
Mennonite school · Grades 1–10
156 students
Greencastle, PA
B-Overall grade156 students14 students per teacher
#6 Largest Private Schools in Franklin County, PA
St. Andrew School
Diocesan school · Grades Pre-K–8
127 students
Waynesboro, PA
AOverall grade127 students12 students per teacher
#7 Largest Private Schools in Franklin County, PA
Anchor Christian School
Mennonite school · Grades K–12
103 students
Shippensburg, PA
BOverall grade103 students10 students per teacher
#8 Largest Private Schools in Franklin County, PA
Montessori Academy of Chambersburg
Montessori school · Grades Pre-K–8
83 students
Chambersburg, PA
BOverall grade83 students12 students per teacher
#9 Largest Private Schools in Franklin County, PA
Mowersville Christian Academy
Brethren school · Grades K–12
59 students
Newburg, PA
B+Overall grade59 students12 students per teacher
#10 Largest Private Schools in Franklin County, PA
Abraxas Youth Center
Alternative school · Grades 7–12
58 students
South Mountain, PA
A-Overall grade58 students7 students per teacher
#11 Largest Private Schools in Franklin County, PA
Providence School Pigeon Hill Building
Brethren school · Grades 1–8
52 students
Waynesboro, PA
B+Overall grade52 students9 students per teacher
#12 Largest Private Schools in Franklin County, PA
Calvary Mennonite School
Mennonite school · Grades 1–10
52 students
Chambersburg, PA
B+Overall grade52 students10 students per teacher
#13 Largest Private Schools in Franklin County, PA
Portico River Brethren School
Religious school · Grades 1–10
52 students
Chambersburg, PA
B+Overall grade52 students10 students per teacher
#14 Largest Private Schools in Franklin County, PA
Culbertson Mennonite School
Mennonite school · Grades 1–10
50 students
Chambersburg, PA
B+Overall grade50 students11 students per teacher
#15 Largest Private Schools in Franklin County, PA
Antrim Mennonite School
Mennonite school · Grades 1–10
33 students
Greencastle, PA
AOverall grade33 students7 students per teacher
#16 Largest Private Schools in Franklin County, PA
Meadow Brook Amish School
Independent school · Grades 1–8
30 students
Spring Run, PA
B+Overall grade30 students15 students per teacher
#17 Largest Private Schools in Franklin County, PA
Mtn. View Amish School
Amish school · Grades 1–8
25 students
Spring Run, PA
25 students25 students per teacher
#18 Largest Private Schools in Franklin County, PA
Brook Side Amish School, Chairman
Amish school · Grades 1–8
24 students
Concord, PA
24 students24 students per teacher
From official public records, updated October 2026.