Center School Photo - STEM is a strong focus at Center School. From reverse engineering, to building a little library, there is always some exciting coming from the STEM group.

Top 20 Best Pennsylvania Private Schools Belonging to Association of Delaware Valley Independent Schools (ADVIS) (2024-25)

For the 2024-25 school year, there are 44 private schools belonging to Association of Delaware Valley Independent Schools (ADVIS) serving 11,924 students in Pennsylvania. You can also find more schools membership associations in Pennsylvania.
The top ranked private 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 $30,430, which is higher than the Pennsylvania private school average tuition cost of $12,552.
41% of private schools belonging to Association of Delaware Valley Independent Schools (ADVIS) in Pennsylvania are religiously affiliated (most commonly Catholic and Friends).

Top Ranked Private Schools Belonging to Association of Delaware Valley Independent Schools (ADVIS) in Pennsylvania (2024-25)

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
Benchmark School
Benchmark School Photo
Special Education School
2107 North Providence Road
Media, PA 19063
(610) 565-3741
Grades: 1-8
| 180 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
Newtown Friends School
Newtown Friends School Photo
(Friends)
(10)
1450 Newtown Langhorne Road
Newtown, PA 18940
(215) 968-2225
Grades: PK-8
| 266 students
St. Peter's School
St. Peter's School Photo
(4)
319 Lombard Street
Philadelphia, PA 19147
(215) 925-3963
Grades: NS-8
| 151 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
6000 Wayne Avenue
Philadelphia, PA 19144
(215) 248-1662
Grades: PK-8
| 196 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
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
Grades: 1-8
| 47 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
Friends School Haverford
Friends School Haverford Photo
(Friends)
(8)
851 Buck Lane
Haverford, PA 19041
(610) 642-2334
Grades: NS-3
| 49 students
Friends' Central Lower School
(Friends)
228 Old Gulph Rd
Wynnewood, PA 19096
(610) 642-7575
Grades: NS-5
| 264 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
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
Grades: PK-6
| 196 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 Hillside School
The Hillside School Photo - The Hillside School
(5)
2697 Brookside Road
Macungie, PA 18062
(610) 967-3701
Grades: K-8
| 46 students
Holy Child Academy
Holy Child Academy Photo
(Catholic)
(6)
475 Shadeland Ave
Drexel Hill, PA 19026
(610) 259-2712
Grades: NS-8
| 170 students
Holy Child School at Rosemont
Holy Child School at Rosemont Photo
(Catholic)
(1)
1344 Montgomery Avenue
Bryn Mawr, PA 19010
(610) 922-1000
Grades: NS-8
| 320 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
Meadowbrook School
Meadowbrook School Photo
(6)
1641 Hampton Rd
Jenkintown, PA 19046
(215) 884-3238
Grades: NS-6
| 119 students
The Miquon School
The Miquon School Photo
Alternative School
(5)
2025 Harts Lane
Conshohocken, PA 19428
(610) 828-1231
Grades: PK-6
| 141 students
Montgomery School
Montgomery School Photo - 5th Graders work with a team of scientists from the Ruth Patrick Center for Environmental Research (a program at the Academy of Natural Sciences) to conduct an in-depth study of Pickering Creek, which runs through Montgomery School's 60-acre campus.
(2)
1141 Kimberton Road
Chester Springs, PA 19425
(484) 326-8822
Grades: PK-8
| 287 students
Norwood-fontbonne Academy
Norwood-fontbonne Academy Photo
(Catholic)
(6)
8891 Germantown Avenue
Philadelphia, PA 19118
(215) 247-3811
Grades: PK-8
| 366 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
Show 9 more private schools in Pennsylvania (out of 44 total schools)
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