Private School Review - Established 2003
Abington Friends School Photo
Abington Friends School

Best Pennsylvania Private High Schools Belonging to National Association of Independent Schools (NAIS) (2025)

For the 2025 school year, there are 57 private high schools belonging to National Association of Independent Schools (NAIS) serving 26,605 students in Pennsylvania. You can also find more schools membership associations in Pennsylvania.
The top ranked private high schools belonging to National Association of Independent Schools (NAIS) in Pennsylvania include The Agnes Irwin School, Grier School, and Merion Mercy Academy.
The average tuition cost is $36,758, which is higher than the Pennsylvania private high school average tuition cost of $18,992.
47% of private high schools belonging to National Association of Independent Schools (NAIS) in Pennsylvania are religiously affiliated (most commonly Catholic and Friends).

Top Ranked Private High Schools Belonging to National Association of Independent Schools (NAIS) in Pennsylvania (2025)

School
Location
Quick Facts
Abington Friends School
Abington Friends School Photo
(Friends)
(3)
575 Washington Ln
Jenkintown, PA 19046
(215) 576-3950
Gr: PK-12 | 604 students Avg. class size: 13 students Sports: 13 | Extracurrculars: 19 Tuition & acceptance rate listed
AIM Academy
AIM Academy Photo - MEETING LEARNING CHALLENGES WITH SCIENCE & LOVE: AT AIM, we recognize that children who learn differently need to be taught differently - and that's exactly what we do. Our passionately committed, highly-trained faculty employ techniques proven effective, and the results are remarkable. Each day we witness young people who doubted themselves in every way discover the gift of fearless learning.
Special Education School
(5)
1200 River Road
Conshohocken, PA 19428
(215) 483-2461
Gr: 1-12 | 397 students Sports: 7 | Extracurrculars: 19 Tuition listed
The Church Farm School
The Church Farm School Photo - Church Farm School recently underwent a $15M campus modernization project, creating new student learning spaces, a Center for the Arts and a more accessible campus.
All-boys (Episcopal)
1001 E Lincoln Hwy
Exton, PA 19341
(610) 363-7500
Gr: 9-12 | 136 students Avg. class size: 10 students Sports: 11 | Extracurrculars: 20 Tuition & acceptance rate listed
The Crefeld School
The Crefeld School Photo - Middle School Science
(5)
8836 Crefeld Street
Philadelphia, PA 19118
(215) 242-5545
Gr: 7-12 | 91 students Avg. class size: 10 students Sports: 2 | Extracurrculars: 13 Tuition & acceptance rate listed
Cristo Rey Philadelphia High School
Cristo Rey Philadelphia High School Photo
(Catholic)
1717 W. Allegheny Ave.
Philadelphia, PA 19132
(215) 219-3943
Gr: 9-12 | 522 students Avg. class size: 25 students Sports: 11 | Extracurrculars: 20 Tuition & acceptance rate listed
Delaware Valley Friends School
Delaware Valley Friends School Photo - Delaware Valley Friends School is a national leader in the field of educating students (grades 1-12) with dyslexia, dysgraphia, executive function disorders, ADHD, and other learning differences located in the Philadelphia area.
Special Education School (Friends)
(10)
19 E Central Ave
Paoli, PA 19301
(610) 640-4150
Gr: 1-12 | 207 students Avg. class size: 8 students Sports: 8 | Extracurrculars: 21 Tuition & acceptance rate listed
Germantown Academy
Germantown Academy Photo - Second grade students research various species in the Wissahickon Creek, which runs through the heart of GA's campus.
(5)
340 Morris Rd
Fort Washington, PA 19034
(267) 405-7070
Gr: PK-12 | 1,223 student Avg. class size: 17 students Sports: 20 | Extracurrculars: 29 Tuition & acceptance rate listed
Kimberton Waldorf School
Kimberton Waldorf School Photo
(5)
410 W Seven Stars Rd
Phoenixville, PA 19460
(610) 933-3635
Gr: PK-12 | 240 students Avg. class size: 15 students Sports: 6 | Extracurrculars: 4 Tuition & acceptance rate listed
Merion Mercy Academy
Merion Mercy Academy Photo
All-girls (Catholic)
511 Montgomery Ave
Merion Station, PA 19066
(610) 664-6655
Gr: 9-12 | 435 students Avg. class size: 16 students Sports: 14 | Extracurrculars: 47 Tuition listed
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)
1201 Homestead Ln
Hershey, PA 17033
(800) 322-3248
Gr: PK-12 | 2,189 students Avg. class size: 15 students Sports: 15 | Extracurrculars: 46 Tuition listed
Valley Forge Military Academy
Valley Forge Military Academy Photo - Our mission is to develop individuals fully prepared to lead as responsible citizens. At Valley Forge Military Academy, we produce graduates who are resilient in mind, strong in body, and guided by a moral compass. Through leadership training, academic rigor, and character development, our cadets are equipped to thrive in all aspects of life.
All-boys
(3)
1001 Eagle Rd
Wayne, PA 19087
(610) 989-1200
Gr: 7-12 | 140 students Avg. class size: 10 students Sports: 12 | Extracurrculars: 17 Tuition & acceptance rate listed
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)
975 Westtown Road
West Chester, PA 19382
(610) 399-7900
Gr: PK-12 | 665 students Avg. class size: 15 students Sports: 19 | Extracurrculars: 61 Tuition & acceptance rate listed
The Phelps School
The Phelps School Photo
All-boys
(11)
583 Sugartown Road
Malvern, PA 19355
(610) 644-1754
Gr: 6-12 | 89 students Avg. class size: 7 students Sports: 7 | Extracurrculars: 7 Tuition listed
Academy Of The New Church Secondary Schools
Academy Of The New Church Secondary Schools Photo - At the Academy of the New Church - an accredited, private, 9th through 12th grade Girls School and Boys School - we prepare students for a principled and useful life in both the natural and spiritual worlds. Through challenging academics and full extracurricular participation, our students enjoy many opportunities to find their balance.
(5)
2815 Benade Cir
Bryn Athyn, PA 19009
(267) 502-2500
Gr: 9-12 | 190 students Avg. class size: 13 students Sports: 12 | Extracurrculars: 11 Tuition & acceptance rate listed
Academy-notre Dame De Namur
All-girls (Catholic)
560 Sproul Rd
Villanova, PA 19085
(610) 687-0650
Gr: 6-12 | 542 students Avg. class size: 15 students Tuition & acceptance rate listed
The Agnes Irwin School
The Agnes Irwin School Photo
All-girls
(3)
275 S Ithan Ave
Bryn Mawr, PA 19010
(610) 801-1869
Gr: NS-12 | 635 students Avg. class size: 15 students Sports: 14 Tuition & acceptance rate listed
The Baldwin School
The Baldwin School Photo - Girls sometimes learn that the effect they predicted on paper isn't always what happens in the test tube, and that rethinking a reaction-- or learning about the world and coming up with a smart, new prediction-- is the real solution.
All-girls
(2)
701 Montgomery Avenue
Bryn Mawr, PA 19010
(610) 525-2700
Gr: PK-12 | 566 students Sports: 14 Tuition listed
Calvary Baptist Academy
(Baptist)
11394 Route 286 Hwy E
Clymer, PA 15728
(724) 254-9411
Gr: PK-12 | 42 students Avg. class size: 8 students Sports: 5 | Extracurrculars: 3 Tuition & acceptance rate listed
Devon Preparatory School
Devon Preparatory School Photo - Each year members of Devon Prep's Christian Action Program (CAP) collects and delivers thousands of food items to an inner city community center for Thanksgiving.
All-boys (Catholic)
(3)
363 N. Valley Forge Road
Devon, PA 19333
(610) 688-7337
Gr: 6-12 | 325 students Avg. class size: 14 students Sports: 16 | Extracurrculars: 24 Tuition listed
Dock Mennonite Academy
Dock Mennonite Academy Photo - The Rosenberger Academic Center features state of the art facilities in science, family and consumer science, a robotics course, and a beautiful new library. Schedule your visit to Dock today!
(Mennonite)
1000 Forty Foot Road
Lansdale, PA 19446
(215) 362-2675
Gr: PK-12 | 642 students Avg. class size: 18 students Sports: 12 Tuition & acceptance rate listed
The Ellis School
The Ellis School Photo
All-girls
(18)
6425 Fifth Avenue
Pittsburgh, PA 15206
(412) 661-5992
Gr: PK-12 | 403 students Avg. class size: 12 students Sports: 10 Tuition & acceptance rate listed
Friends Central School
Friends Central School Photo - Friends' Central School is an independent, coeducational, Quaker, college-preparatory day school for Nursery through grade 12 students. Located on 41 acres across two campuses in Wynnewood, Pa., Friends' Central cultivates the intellectual, spiritual, and ethical promise of students. Since 1845, Friends' Central has been educating for excellence, inspiring tomorrow's leaders, honoring each individual, and encouraging students to peacefully transform the world.
(Friends)
(1)
1101 City Avenue
Wynnewood, PA 19096
(610) 649-7440
Gr: NS-12 Avg. class size: 14 students Sports: 17 | Extracurrculars: 10 Tuition & acceptance rate listed
Friends Select School
(Friends)
17th St & Benjamin Franklin
Philadelphia, PA 19103
(215) 561-5900
Gr: PK-12 | 600 students Avg. class size: 15 students Tuition & acceptance rate listed
George School
George School Photo
(Friends)
1690 Newtown Langhorne Road
Newtown, PA 18940
(215) 579-6547
Gr: 9-12 | 544 students Avg. class size: 13 students Sports: 21 | Extracurrculars: 22 Tuition & acceptance rate listed
Germantown Friends School
Germantown Friends School Photo
(Friends)
31 W Coulter Street
Philadelphia, PA 19144
(215) 951-2300
Gr: NS-12 | 1,157 student Sports: 14 | Extracurrculars: 74 Tuition listed
Girard College
Girard College Photo - Founder's Hall
(2)
2101 S College Ave
Philadelphia, PA 19121
(215) 787-2621
Gr: 1-12 | 319 students Avg. class size: 14 students Sports: 13 | Extracurrculars: 9 Tuition & acceptance rate listed
Grier School
Grier School Photo
All-girls
(1)
2522 Grier School Road
Tyrone, PA 16686
(814) 684-3000
Gr: 7-12 | 298 students Avg. class size: 9 students Sports: 17 | Extracurrculars: 31 Tuition & acceptance rate listed
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)
450 Lancaster Ave.
Haverford, PA 19041
(610) 642-3020
Gr: PK-12 | 943 students Avg. class size: 16 students Sports: 18 | Extracurrculars: 34 Tuition & acceptance rate listed
Holy Ghost Prep
All-boys (Catholic)
(1)
2429 Bristol Pike
Bensalem, PA 19020
(215) 639-2102
Gr: 9-12 | 419 students Sports: 16 Tuition & acceptance rate listed
Jack M Barrack Hebrew Academy
Jack M Barrack Hebrew Academy Photo
Special Program Emphasis (Jewish)
(11)
272 S Bryn Mawr Ave
Bryn Mawr, PA 19010
(610) 922-2347
Gr: 6-12 | 346 students Avg. class size: 15 students Sports: 11 | Extracurrculars: 14 Tuition listed
The Janus School
The Janus School Photo - The Janus School
Special Education School
205 Lefever Road
Mount Joy, PA 17552
(717) 653-0025
Gr: K-12 | 61 students Avg. class size: 5 students Sports: 1 | Extracurrculars: 3 Tuition listed
The Kiski School
The Kiski School Photo - Beginning in 2024, Kiski will offer co-education, extending our outstanding opportunities and unique educational environment to both girls and boys.
1888 Brett Ln
Saltsburg, PA 15681
(724) 639-8035
Gr: 9-12 | 200 students Avg. class size: 10 students Sports: 12 | Extracurrculars: 19 Tuition listed
La Salle College High School
All-boys (Catholic)
(2)
8605 Cheltenham Avenue
Glenside, PA 19038
(215) 233-2911
Gr: 9-12 | 1,141 student Avg. class size: 18 students Sports: 23 Tuition & acceptance rate listed
Lancaster Country Day School
Lancaster Country Day School Photo
(1)
725 Hamilton Road
Lancaster, PA 17603
(717) 392-2916
Gr: PK-12 | 568 students Avg. class size: 12 students Sports: 15 Acceptance rate listed
Linden Hall
Linden Hall Photo - Students enjoying a walk around our beautiful campus in the springtime.
All-girls
(3)
212 E Main St
Lititz, PA 17543
(717) 626-8512
Gr: 6-12 | 93 students Avg. class size: 8 students Sports: 16 | Extracurrculars: 17 Tuition & acceptance rate listed
Show 22 more private schools in Pennsylvania (out of 57 total schools)
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