Lancaster Mennonite School Photo - Lancaster Mennonite School is a private school for PreK-12th grade in Lancaster, PA providing a Christ-centered education.

Largest Pennsylvania Private High Schools

The average private high school in Pennsylvania has 167 students (2025).
The largest private high school in Pennsylvania is Milton Hershey School with 2,189 students.
School Size Range: 666 2,189 Avg. School Size: 946

Largest Pennsylvania Private High Schools (2025)

School
# Students
Grades
Location
Rank: #11.
Milton Hershey School
Milton Hershey School Photo - At Milton Hershey School, our founders' generosity and vision have enabled us to develop and maintain a whole child approach to education and programming that comes at no cost to our students or their families.
Alternative School
(2)
Students: 2,189
Grades: PK-12
1201 Homestead Ln
Hershey, PA 17033
(800) 322-3248
Rank: #22.
Bridgeway Academy
Bridgeway Academy Photo - 2019 Bridgeway Graduation
Students: 1,947
Grades: PK-12
334 2nd St
Catasauqua, PA 18032
(800) 863-1474
Rank: #33.
Archbishop Prendergast High School
(Catholic)
Students: 1,287
Grades: 9-12
401 N Lansdowne Ave
Drexel Hill, PA 19026
(610) 259-0265
Rank: #44.
The Episcopal Academy
(Episcopal)
Students: 1,250
Grades: PK-12
1785 Bishop White Drive
Newtown Square, PA 19073
(484) 424-1400
Rank: #55.
Germantown Academy
Germantown Academy Photo - Second grade students research various species in the Wissahickon Creek, which runs through the heart of GA's campus.
(2)
Students: 1,223
Grades: PK-12
340 Morris Rd
Fort Washington, PA 19034
(267) 405-7070
Rank: #66.
Shady Side Academy
Shady Side Academy Photo - Shady Side Academy Senior School resides on a 130- acre campus which offers incredible facilities and resources that enable students to fuel their passions. Advanced level courses, teachers that motivate and support, and a college-like campus all help to prepare students for college and beyond.
(3)
Students: 1,221
Grades: PK-12
423 Fox Chapel Road
Pittsburgh, PA 15238
(412) 968-3179
Rank: #77.
Students: 1,216
Grades: NS-12
500 W Willow Grove Avenue
Philadelphia, PA 19118
(215) 247-7007
Rank: #88.
Germantown Friends School
Germantown Friends School Photo
(Friends)
Students: 1,157
Grades: NS-12
31 W Coulter Street
Philadelphia, PA 19144
(215) 951-2300
Rank: #99.
La Salle College High School
All-boys (Catholic)
(2)
Students: 1,141
Grades: 9-12
8605 Cheltenham Avenue
Glenside, PA 19038
(215) 233-2911
Rank: #1010.
William Penn Charter School
(Friends)
(1)
Students: 947
Grades: PK-12
3000 W School House Lane
Philadelphia, PA 19144
(215) 844-3460
Rank: #1111.
The Haverford School
The Haverford School Photo - Haverford's visual arts program includes 10 dedicated art studios and a design and engineering studio. Students experiment with 3D printing and other new media.
All-boys
(1)
Students: 937
Grades: PK-12
450 Lancaster Ave.
Haverford, PA 19041
(610) 642-3020
Rank: #1212.
St. Joseph's Preparatory School
St. Joseph's Preparatory School Photo - St. Joseph's Prep
All-boys (Catholic)
Students: 902
Grades: 9-12
1733 W. Girard Ave
Philadelphia, PA 19130
(215) 978-1958
Rank: #1313.
Delaware County Christian School
(Christian)
(1)
Students: 900
Grades: PK-12
462 Malin Rd
Newtown Square, PA 19073
(610) 353-6522
Rank: #1414.
Calvary Christian Academy
(Christian)
Students: 878
Grades: PK-12
13500 Philmont Ave
Philadelphia, PA 19116
(215) 969-1579
Rank: #1515.
Bishop Shanahan High School
(Catholic)
Students: 876
Grades: 9-12
220 Woodbine Rd
Downingtown, PA 19335
(610) 518-1300
Rank: #1616.
Students: 843
Grades: 9-12
401 N Lansdowne Ave 403
Drexel Hill, PA 19026
(610) 259-0280
Rank: #1717.
Archbishop Wood High School
(Catholic)
Students: 839
Grades: 9-12
655 York Rd
Warminster, PA 18974
(215) 672-5050
Rank: #1818.
Cardinal O'hara High School
(Catholic)
Students: 829
Grades: 9-12
1701 S Sproul Rd
Springfield, PA 19064
(610) 544-3800
Rank: #1919.
Students: 819
Grades: PK-12
201 N Sprague Ave
Kingston, PA 18704
(570) 270-2100
Rank: #2020.
Roman Catholic High School
Roman Catholic High School Photo - Renaissance Hall Grotto
All-boys (Catholic)
Students: 813
Grades: 9-12
301 N Broad St
Philadelphia, PA 19107
(215) 627-1270
Rank: #2121.
Berks Catholic High School
(Catholic)
Students: 811
Grades: 9-12
955 E Wyomissing Blvd
Reading, PA 19611
(610) 374-8361
Rank: #2222.
Archbishop Ryan High School
(Catholic)
(1)
Students: 804
Grades: 9-12
11201 Academy Rd
Philadelphia, PA 19154
(215) 637-1800
Rank: #2323.
Dock Mennonite Academy
Dock Mennonite Academy Photo - Dock Mennonite Academy - Early Childhood to Grade 8 campus (formerly Penn View)
(Mennonite)
Students: 797
Grades: PK-12
420 Godshall Rd
Souderton, PA 18964
(215) 723-1196
Rank: #2424.
Faith Christain Academy Lower
(Christian)
Students: 760
Grades: K-12
2360 N Old Bethlehem Pike
Quakertown, PA 18951
(215) 257-4577
Rank: #2525.
Central Catholic High School
All-boys (Catholic)
(1)
Students: 744
Grades: 9-12
4720 5th Ave
Pittsburgh, PA 15213
(412) 208-3422
Rank: #2626.
Father Judge High School
All-boys (Catholic)
Students: 734
Grades: 9-12
3301 Solly Ave
Philadelphia, PA 19136
(215) 338-9494
Rank: #2727.
Eden Christian Academy
Eden Christian Academy Photo
(Christian)
(1)
Students: 723
Grades: PK-12
206 Siebert Road
Pittsburgh, PA 15237
(412) 364-8055
Rank: #2828.
Pope John Paul Ii High School
(Catholic)
Students: 720
Grades: 9-12
181 Rittenhouse Rd
Royersford, PA 19468
(484) 975-6500
Rank: #2929.
Bishop Mcdevitt High School
(Catholic)
Students: 716
Grades: 9-12
1 Crusader Way
Harrisburg, PA 17111
(717) 236-7973
Rank: #3030.
North Catholic High School
North Catholic High School Photo - North Catholic High School located in Cranberry Township, PA. Schedule a tour with us today!
(Catholic)
Students: 702
Grades: 9-12
1617 Rt. 228
Cranberry Township, PA 16066
(412) 321-4823
Rank: #3131.
Westtown School
Westtown School Photo - The Westtown School campus includes 600 acres of land, a 14-acre lake with a beach and boathouse, and an arboretum and natural forest.
(Friends)
(10)
Students: 686
Grades: PK-12
975 Westtown Road
West Chester, PA 19382
(610) 399-7900
Rank: #3232.
Bethlehem Catholic High School
(Catholic)
Students: 678
Grades: 9-12
2133 Madison Ave
Bethlehem, PA 18017
(610) 866-0791
Rank: #3333.
Archbishop John Carroll High School
(Catholic)
Students: 674
Grades: 9-12
211 W Matsonford Rd
Wayne, PA 19087
(610) 688-7610
Rank: #3434.
Archbishop Carroll High School
(Catholic)
Students: 673
Grades: 9-12
211 Matsonford Road
Wayne, PA 19087
(610) 688-7610
Rank: #3535.
Scranton Preparatory School
(Catholic)
(2)
Students: 666
Grades: 9-12
1000 Wyoming Avenue
Scranton, PA 18509
(570) 941-7737
Show 100 more private schools in PA (out of 711 total schools)
Loading...

Frequently Asked Questions

What is the Pennsylvania average private high schools student size?
The Pennsylvania average private high schools student size is 167 for 2025.
What are the private high schools with the largest student size in Pennsylvania?
The top ranked private high schools in Pennsylvania include Milton Hershey School, Bridgeway Academy and Archbishop Prendergast High School.

Recent Articles

A Parent's Guide To Understanding High School Teaching Methods
A Parent's Guide To Understanding High School Teaching Methods
This comprehensive guide helps parents navigate the various teaching methods used in today's high school classrooms. By understanding these approaches, you'll be better equipped to support your teen's learning journey, communicate effectively with teachers, and create a complementary learning environment at home.
Social Emotional Learning: Education's Hidden Symphony
February 08, 2025
Social Emotional Learning: Education's Hidden Symphony
A musician's perspective on Social Emotional Learning reveals how this educational framework orchestrates success through five essential emotional competencies.
A Roadmap For Starting A Private School
January 24, 2025
A Roadmap For Starting A Private School
Use this roadmap as a set of talking points with your trusted mentors and professionals to start the private school of your dreams. You're not alone. Over the years, hundreds of folks like you have had the same dream. From Quintilian to Maria Montessori to Lucy Madeira Wing, visionary educators have established schools to teach according to their beliefs and methodologies.

Quick Links