The Grayson School Photo - RADNOR, Pa., May 27, 2021 /PRNewswire/ -- The Board of Trustees of The Grayson School are pleased to announce that the school has been granted accreditation by the Pennsylvania Association of Independent Schools (PAIS) for ten years-an unprecedented term for a young school in their initial application year.

Best Pennsylvania Private Schools Belonging to Pennsylvania Association of Independent Schools (PAIS) (2025)

For the 2025 school year, there are 93 private schools belonging to Pennsylvania Association of Independent Schools (PAIS) serving 29,867 students in Pennsylvania. You can also find more schools membership associations in Pennsylvania.
The top ranked private schools belonging to Pennsylvania Association of Independent Schools (PAIS) in Pennsylvania include The Agnes Irwin School, Merion Mercy Academy, and Girard College.
The average tuition cost is $29,112, which is higher than the Pennsylvania private school average tuition cost of $14,833.
40% of private schools belonging to Pennsylvania Association of Independent Schools (PAIS) in Pennsylvania are religiously affiliated (most commonly Friends and Catholic).

Top Ranked Private Schools Belonging to Pennsylvania Association of Independent Schools (PAIS) 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
Center School
Center School Photo - A comprehensive academic program is provided for Center School students in first through eighth grade. The curriculum is designed to meet the needs of students and reflect the best of current research. Students receive explicit instruction in academic, organizational, and study skills to provide them with the strategies they need to become independent and confident learners.
Special Education School
(8)
2450 Hamilton Avenue
Abington, PA 19001
(215) 657-2200
Gr: 1-8 | 58 students Avg. class size: 8 students Sports: 3 | Extracurrculars: 5 Tuition & acceptance rate 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 | 147 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
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
Newtown Friends School
Newtown Friends School Photo
(Friends)
(10)
1450 Newtown Langhorne Road
Newtown, PA 18940
(215) 968-2225
Gr: PK-8 | 266 students Avg. class size: 15 students Sports: 7 | Extracurrculars: 13 Tuition & acceptance rate listed
St. Peter's School
St. Peter's School Photo
(4)
319 Lombard Street
Philadelphia, PA 19147
(215) 925-3963
Gr: NS-8 | 151 students Avg. class size: 11 students Sports: 4 | Extracurrculars: 14 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
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
Ancillae-assumpta Academy
(Catholic)
2025 Church Road
Wyncote, PA 19095
(215) 885-1636
Gr: PK-8 | 581 students Avg. class size: 18 students Tuition & acceptance rate listed
Aquinas Academy
Aquinas Academy Photo
(Catholic)
2308 West Hardies Road
Pittsburgh, PA 15044
(724) 444-0722
Gr: NS-12 | 537 students Avg. class size: 16 students Sports: 12 | Extracurrculars: 26 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
Benchmark School
Benchmark School Photo
Special Education School
(13)
2107 North Providence Road
Media, PA 19063
(610) 565-3741
Gr: 1-8 | 169 students Avg. class size: 12 students Sports: 7 Tuition listed
Buckingham Friends School
Buckingham Friends School Photo - Lower School Student Ready to Learn - Photo By: Ralph "Ozzie" Oswald
(Friends)
(9)
5684 York Road
Lahaska, PA 18931
(215) 794-7491
Gr: K-8 | 160 students Avg. class size: 16 students Sports: 5 | Extracurrculars: 16 Tuition & acceptance rate listed
Community Day School
(Jewish)
6424 Forward Avenue
Pittsburgh, PA 15217
(412) 521-1100
Gr: NS-8 | 269 students Avg. class size: 14 students Sports: 6 | Extracurrculars: 8 Tuition 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
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
Erie Day School
Erie Day School Photo
1372 W 6th St
Erie, PA 16505
(814) 452-4273
Gr: PK-8 | 249 students Avg. class size: 16 students Sports: 9 Tuition listed
4060 Allequippa St
Pittsburgh, PA 15261
(412) 624-8020
Gr: K-8 | 430 students Avg. class size: 24 students Sports: 4 Tuition listed
Frankford Friends School
Frankford Friends School Photo
(Friends)
(1)
1500 Orthodox Street
Philadelphia, PA 19124
(215) 533-5368
Gr: NS-8 | 258 students Avg. class size: 18 students Sports: 3 | Extracurrculars: 16 Tuition & acceptance rate listed
Friends School Haverford
Friends School Haverford Photo
(Friends)
(8)
851 Buck Lane
Haverford, PA 19041
(610) 642-2334
Gr: NS-3 | 49 students Avg. class size: 10 students Extracurrculars: 19 Tuition & acceptance rate listed
Friends' Central Lower School
(Friends)
228 Old Gulph Rd
Wynnewood, PA 19096
(610) 642-7575
Gr: NS-5 | 264 students Avg. class size: 13 students 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
The Gladwyne Montessori School
The Gladwyne Montessori School Photo - 3rd year primary student gives a lesson to a 2nd year primary student using the iconic pink tower, specifically designed for children to learn about space, size, and comparison in a concrete manner.
Montessori School
(10)
920 Youngsford Road
Gladwyne, PA 19035
(610) 649-1761
Gr: PK-6 | 196 students Avg. class size: 18 students Sports: 3 | Extracurrculars: 7 Tuition listed
The Grayson School
The Grayson School Photo - RADNOR, Pa., May 27, 2021 /PRNewswire/ -- The Board of Trustees of The Grayson School are pleased to announce that the school has been granted accreditation by the Pennsylvania Association of Independent Schools (PAIS) for ten years-an unprecedented term for a young school in their initial application year.
Special Program Emphasis
211 Matsonford Road
Wayne, PA 19087
(484) 428-3241
Gr: PK-12 | 164 students Sports: 6 | Extracurrculars: 14 Tuition listed
Gwynedd Mercy Academy High School
Gwynedd Mercy Academy High School Photo
All-girls (Catholic)
1345 Sumneytown Pike
Ambler, PA 19002
(215) 646-8815
Gr: 9-12 | 454 students Avg. class size: 18 students Sports: 15 | Extracurrculars: 24 Tuition listed
Harrisburg Academy
Harrisburg Academy Photo - Upper School Students take a moment to discuss the period's lecture.
(6)
10 Erford Road
Lemoyne, PA 17043
(717) 763-7811
Gr: NS-12 | 356 students Avg. class size: 15 students Sports: 7 | Extracurrculars: 12 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
Show 58 more private schools in Pennsylvania (out of 93 total schools)
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