#1 Best Private Schools in Franklin County, PA
Mercersburg Academy
Independent school · Grades 9–12
100% of graduates go to four-year colleges
Mercersburg, PA
A+Overall grade439 students8 students per teacher
2026 lists
Best Private Schools in Franklin County, PA
Private schools in Franklin County, PA with the highest overall grades. Top 8 of 8 schools.
#2 Best Private Schools in Franklin County, PA
Corpus Christi School
Parish school · Grades Pre-K–8
The only Catholic school in Chambersburg
Chambersburg, PA
A+Overall grade175 students10 students per teacher
#3 Best Private Schools in Franklin County, PA
St. Andrew School
Diocesan school · Grades Pre-K–8
Smaller classes than 60% of Catholic schools in Pennsylvania
Waynesboro, PA
AOverall grade127 students12 students per teacher
#4 Best Private Schools in Franklin County, PA
Anchor Christian School
Mennonite school · Grades K–12
Growing: enrollment up 37% since 2011–12
Shippensburg, PA
BOverall grade103 students10 students per teacher
#5 Best Private Schools in Franklin County, PA
Shalom Christian Academy
Brethren school · Grades Pre-K–12
The largest Christian school in Chambersburg
Chambersburg, PA
BOverall grade671 students15 students per teacher
#6 Best Private Schools in Franklin County, PA
Montessori Academy of Chambersburg
Montessori school · Grades Pre-K–8
The only Montessori school in Chambersburg
Chambersburg, PA
BOverall grade83 students12 students per teacher
#7 Best Private Schools in Franklin County, PA
Shady Grove Mennonite School
Mennonite school · Grades 1–10
Serving families in Greencastle since at least 2011
Greencastle, PA
B-Overall grade156 students14 students per teacher
#8 Best Private Schools in Franklin County, PA
Cumberland Valley Christian School
Christian school (nondenominational) · Grades Pre-K–12
Growing: enrollment up 22% since 2011–12
Chambersburg, PA
B-Overall grade424 students19 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.