The Haverford School Photo - The crew team spent one of its preseason practices at Rushton Farm, a local CSA, harvesting potatoes, weeding the greenhouses, and clearing tomato plants.

Top 20 Best Pennsylvania Private High Schools Belonging to Association of Delaware Valley Independent Schools (ADVIS) (2025)

For the 2025 school year, there are 24 private high schools belonging to Association of Delaware Valley Independent Schools (ADVIS) serving 8,239 students in Pennsylvania. You can also find more schools membership associations in Pennsylvania.
The top ranked private high schools belonging to Association of Delaware Valley Independent Schools (ADVIS) in Pennsylvania include The Agnes Irwin School, Girard College, and Gwynedd Mercy Academy High School.
The average tuition cost is $35,744, which is higher than the Pennsylvania private high school average tuition cost of $16,981.
33% of private high schools belonging to Association of Delaware Valley Independent Schools (ADVIS) in Pennsylvania are religiously affiliated (most commonly Catholic and Friends).

Top Ranked Private High Schools Belonging to Association of Delaware Valley Independent Schools (ADVIS) in Pennsylvania (2025)

School
Location
Grades
Students
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
Grades: 1-12
| 397 students
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
Grades: 9-12
| 136 students
The Crefeld School
The Crefeld School Photo - Middle School Science
(5)
8836 Crefeld Street
Philadelphia, PA 19118
(215) 242-5545
Grades: 7-12
| 91 students
Cristo Rey Philadelphia High School
Cristo Rey Philadelphia High School Photo
(Catholic)
1717 W. Allegheny Ave.
Philadelphia, PA 19132
(215) 219-3943
Grades: 9-12
| 547 students
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
Grades: 1-12
| 207 students
Kimberton Waldorf School
Kimberton Waldorf School Photo
(5)
410 W Seven Stars Rd
Phoenixville, PA 19460
(610) 933-3635
Grades: PK-12
| 240 students
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
(2)
1001 Eagle Rd
Wayne, PA 19087
(610) 989-1399
Grades: 7-12
| n/a students
ATG Learning Academy
ATG Learning Academy Photo
Special Program Emphasis
(2)
3400 Pickertown Rd Suite 2
Chalfont, PA 18914
(267) 803-1751
Grades: PK-12
| 32 students
The Phelps School
The Phelps School Photo
All-boys
(11)
583 Sugartown Road
Malvern, PA 19355
(610) 644-1754
Grades: 6-12
| 67 students
The Agnes Irwin School
The Agnes Irwin School Photo
All-girls
(3)
275 S Ithan Ave
Bryn Mawr, PA 19010
(610) 801-1869
Grades: NS-12
| 635 students
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
(1)
701 Montgomery Avenue
Bryn Mawr, PA 19010
(610) 525-2700
Grades: PK-12
| 566 students
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
Grades: 6-12
| 325 students
Germantown Friends School
Germantown Friends School Photo
(Friends)
31 W Coulter Street
Philadelphia, PA 19144
(215) 951-2300
Grades: NS-12
| 1,157 students
Girard College
Girard College Photo - Founder's Hall
(2)
2101 S College Ave
Philadelphia, PA 19121
(215) 787-2621
Grades: 1-12
| 319 students
Gwynedd Mercy Academy High School
Gwynedd Mercy Academy High School Photo
All-girls (Catholic)
1345 Sumneytown Pike
Ambler, PA 19002
(215) 646-8815
Grades: 9-12
| 454 students
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
Grades: NS-12
| 356 students
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
Grades: PK-12
| 937 students
The Janus School
The Janus School Photo - The Janus School
Special Education School
205 Lefever Road
Mount Joy, PA 17552
(717) 653-0025
Grades: K-12
| 74 students
725 Hamilton Road
Lancaster, PA 17603
(717) 392-2916
Grades: PK-12
| 568 students
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.
All-girls (Catholic)
480 S Bryn Mawr Ave
Bryn Mawr, PA 19010
(610) 527-3915
Grades: K-12
| 179 students
Solebury School
Solebury School Photo
6832 Phillips Mill Road
New Hope, PA 18938
(215) 862-5261
Grades: 9-12
| 257 students
Vanguard School
Vanguard School Photo - The Vanguard School, Malvern, PA
Special Education School
1777 N. Valley Road
Malvern, PA 19355
(610) 296-6700
Grades: PK-12
| 265 students
Villa Maria Academy High School
Villa Maria Academy High School Photo - Villa students welcome their new freshman "sisters" on the first day of school.
All-girls (Catholic)
(1)
370 Central Ave
Malvern, PA 19355
(610) 644-2551
Grades: 9-12
| 430 students
Woodlynde School
Woodlynde School Photo
Special Education School
(7)
445 Upper Gulph Road
Wayne, PA 19087
(610) 687-9660
Grades: K-12
| n/a students

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