The average private high school in Pennsylvania was founded around 1955 (2025).
The oldest private high school in Pennsylvania is William Penn Charter School, founded in 1689.
Year Founded Range: 1689
1893
Avg. Year Founded: 1843
Oldest Private High Schools in Pennsylvania (2025)
School
Founding Date
Grades
Location
Rank: #11.
Founding Date: 1689
Grades: PK-12
3000 W School House Lane
Philadelphia, PA 19144
(215) 844-3460
Philadelphia, PA 19144
(215) 844-3460
Rank: #22.
Founding Date: 1697
Grades: PK-12
575 Washington Ln
Jenkintown, PA 19046
(215) 576-3950
Jenkintown, PA 19046
(215) 576-3950
Rank: #33.
Founding Date: 1746
Grades: 6-12
212 E Main St
Lititz, PA 17543
(717) 626-8512
Lititz, PA 17543
(717) 626-8512
Rank: #44.
Founding Date: 1759
Grades: PK-12
340 Morris Rd
Fort Washington, PA 19034
(267) 405-7070
Fort Washington, PA 19034
(267) 405-7070
Rank: #55.
Founding Date: 1784
Grades: NS-12
10 Erford Road
Lemoyne, PA 17043
(717) 763-7811
Lemoyne, PA 17043
(717) 763-7811
Rank: #66.
The Episcopal Academy
(Episcopal)
Founding Date: 1785
Grades: PK-12
1785 Bishop White Drive
Newtown Square, PA 19073
(484) 424-1400
Newtown Square, PA 19073
(484) 424-1400
Rank: #77.
Founding Date: 1799
Grades: PK-12
975 Westtown Road
West Chester, PA 19382
(610) 399-7900
West Chester, PA 19382
(610) 399-7900
Rank: #88.
Pennsylvania School For The Deaf![Pennsylvania School For The Deaf Photo - Best of Friends]( "Pennsylvania School For The Deaf Photo - Best of Friends")
Special Education School
Founding Date: 1820
Grades: PK-12
100 W School House Ln
Philadelphia, PA 19144
(215) 951-4733
Philadelphia, PA 19144
(215) 951-4733
Rank: #99.
Founding Date: 1838
Grades: PK-12
315 Academy Avenue
Sewickley, PA 15143
(412) 741-2230
Sewickley, PA 15143
(412) 741-2230
Rank: #1010.
Malvern Preparatory School![Malvern Preparatory School Photo]( "Malvern Preparatory School Photo")
All-boys (Catholic)
Founding Date: 1842
Grades: 6-12
418 S. Warren Avenue
Malvern, PA 19355
(484) 595-1100
Malvern, PA 19355
(484) 595-1100
Rank: #1111.
Founding Date: 1844
Grades: PK-12
201 N Sprague Ave
Kingston, PA 18704
(570) 270-2100
Kingston, PA 18704
(570) 270-2100
Rank: #12 - 1312. - 13.
Founding Date: 1845
Grades: NS-12
1101 City Avenue
Wynnewood, PA 19096
(610) 649-7440
Wynnewood, PA 19096
(610) 649-7440
Rank: #12 - 1312. - 13.
Germantown Friends School![Germantown Friends School Photo]( "Germantown Friends School Photo")
(Friends)
Founding Date: 1845
Grades: NS-12
31 W Coulter Street
Philadelphia, PA 19144
(215) 951-2300
Philadelphia, PA 19144
(215) 951-2300
Rank: #1414.
Founding Date: 1848
Grades: 1-12
2101 S College Ave
Philadelphia, PA 19121
(215) 787-2621
Philadelphia, PA 19121
(215) 787-2621
Rank: #15 - 1615. - 16.
Founding Date: 1851
Grades: 9-12
860 Beech Street
Pottstown, PA 19464
(610) 762-9989
Pottstown, PA 19464
(610) 762-9989
Rank: #15 - 1615. - 16.
St. Joseph's Preparatory School![St. Joseph's Preparatory School Photo - St. Joseph's Prep]( "St. Joseph's Preparatory School Photo - St. Joseph's Prep")
All-boys (Catholic)
Founding Date: 1851
Grades: 9-12
1733 W. Girard Ave
Philadelphia, PA 19130
(215) 978-1958
Philadelphia, PA 19130
(215) 978-1958
Rank: #1717.
Founding Date: 1853
Grades: 7-12
2522 Grier School Road
Tyrone, PA 16686
(814) 684-3000
Tyrone, PA 16686
(814) 684-3000
Rank: #18 - 1918. - 19.
Gwynedd Mercy Academy High School![Gwynedd Mercy Academy High School Photo]( "Gwynedd Mercy Academy High School Photo")
All-girls (Catholic)
Founding Date: 1861
Grades: 9-12
1345 Sumneytown Pike
Ambler, PA 19002
(215) 646-8815
Ambler, PA 19002
(215) 646-8815
Rank: #18 - 1918. - 19.
Founding Date: 1861
Grades: NS-12
500 W Willow Grove Avenue
Philadelphia, PA 19118
(215) 247-7007
Philadelphia, PA 19118
(215) 247-7007
Rank: #2020.
Sacred Heart Academy Bryn Mawr![Sacred Heart Academy Bryn Mawr Photo - Sacred Heart Academy Bryn Mawr is a Catholic, independent college preparatory school for girls K-12, founded in 1865 by the Religious of the Sacred Heart of Jesus. Known as SHA, the private girls' school is located in PA outside of Philadelphia with elementary, middle and upper school divisions located on one campus.]( "Sacred Heart Academy Bryn Mawr Photo - Sacred Heart Academy Bryn Mawr is a Catholic, independent college preparatory school for girls K-12, founded in 1865 by the Religious of the Sacred Heart of Jesus. Known as SHA, the private girls' school is located in PA outside of Philadelphia with elementary, middle and upper school divisions located on one campus.")
All-girls (Catholic)
Founding Date: 1865
Grades: K-12
480 S Bryn Mawr Ave
Bryn Mawr, PA 19010
(610) 527-3915
Bryn Mawr, PA 19010
(610) 527-3915
Rank: #21 - 2221. - 22.
Founding Date: 1869
Grades: NS-12
275 S Ithan Ave
Bryn Mawr, PA 19010
(610) 801-1869
Bryn Mawr, PA 19010
(610) 801-1869
Rank: #21 - 2221. - 22.
Western Pennsylvania School For The Deaf
Special Education School
Founding Date: 1869
Grades: PK-12
300 East Swissvale Avenue
Pittsburgh, PA 15218
(412) 244-4214
Pittsburgh, PA 15218
(412) 244-4214
Rank: #2323.
Founding Date: 1872
Grades: 9-12
370 Central Ave
Malvern, PA 19355
(610) 644-2551
Malvern, PA 19355
(610) 644-2551
Rank: #2424.
Founding Date: 1875
Grades: 6-12
200 Seminary Street
Pennsburg, PA 18073
(215) 679-9511
Pennsburg, PA 18073
(215) 679-9511
Rank: #2525.
Founding Date: 1876
Grades: 9-12
2815 Benade Cir
Bryn Athyn, PA 19009
(267) 502-2500
Bryn Athyn, PA 19009
(267) 502-2500
Rank: #2626.
MMI Preparatory School![MMI Preparatory School Photo - MMI Preparatory School Campus]( "MMI Preparatory School Photo - MMI Preparatory School Campus")
Special Program Emphasis
Founding Date: 1879
Grades: 6-12
154 Centre St
Freeland, PA 18224
(570) 636-1108
Freeland, PA 18224
(570) 636-1108
Rank: #2727.
HMS School For Children With Cerebral Palsy![HMS School For Children With Cerebral Palsy Photo - Physical therapy]( "HMS School For Children With Cerebral Palsy Photo - Physical therapy")
Special Education School
Founding Date: 1882
Grades: K-12
4400 Baltimore Ave
Philadelphia, PA 19104
(215) 222-2566
Philadelphia, PA 19104
(215) 222-2566
Rank: #2828.
Founding Date: 1883
Grades: PK-12
423 Fox Chapel Road
Pittsburgh, PA 15238
(412) 968-3179
Pittsburgh, PA 15238
(412) 968-3179
Rank: #29 - 3029. - 30.
Founding Date: 1884
Grades: PK-12
450 Lancaster Ave.
Haverford, PA 19041
(610) 642-3020
Haverford, PA 19041
(610) 642-3020
Rank: #29 - 3029. - 30.
Merion Mercy Academy![Merion Mercy Academy Photo]( "Merion Mercy Academy Photo")
All-girls (Catholic)
Founding Date: 1884
Grades: 9-12
511 Montgomery Ave
Merion Station, PA 19066
(610) 664-6655
Merion Station, PA 19066
(610) 664-6655
Rank: #3131.
Founding Date: 1887
Grades: NS-12
555 Morewood Avenue
Pittsburgh, PA 15213
(412) 578-7518
Pittsburgh, PA 15213
(412) 578-7518
Rank: #32 - 3332. - 33.
Founding Date: 1888
Grades: PK-12
701 Montgomery Avenue
Bryn Mawr, PA 19010
(610) 525-2700
Bryn Mawr, PA 19010
(610) 525-2700
Rank: #32 - 3332. - 33.
Founding Date: 1888
Grades: 9-12
1888 Brett Ln
Saltsburg, PA 15681
(724) 639-8035
Saltsburg, PA 15681
(724) 639-8035
Rank: #34 - 3534. - 35.
George School![George School Photo]( "George School Photo")
(Friends)
Founding Date: 1893
Grades: 9-12
1690 Newtown Langhorne Road
Newtown, PA 18940
(215) 579-6547
Newtown, PA 18940
(215) 579-6547
Rank: #34 - 3534. - 35.
Founding Date: 1893
Grades: 9-12
100 Academy Drive
Mercersburg, PA 17236
(717) 328-6173
Mercersburg, PA 17236
(717) 328-6173
Show 100 more private schools in PA (out of 245 total schools)
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Frequently Asked Questions
What is the Pennsylvania average private high schools founding year?
The Pennsylvania average private high schools founding year is 1955 for 2025.
What are the private high schools with oldest founding year in Pennsylvania?
The top ranked private high schools in Pennsylvania include William Penn Charter School, Abington Friends School and Linden Hall.
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