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.

Top 5 Best Pennsylvania Private High Schools Belonging to Association of Delaware Valley Independent Schools (2025)

For the 2025 school year, there are 5 private high schools belonging to Association of Delaware Valley Independent Schools serving 1,559 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 in Pennsylvania include The Shipley School, Academy Of The New Church Secondary Schools, and The Grayson School.
The average acceptance rate is 66%, which is lower than the Pennsylvania private high school average acceptance rate of 79%.
20% of private high schools belonging to Association of Delaware Valley Independent Schools in Pennsylvania are religiously affiliated (most commonly Other).

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

School
Location
Grades
Students
2815 Benade Cir
Bryn Athyn, PA 19009
(267) 502-2500
Grades: 9-12
| 196 students
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
Grades: PK-12
| 164 students
The Shipley School
The Shipley School Photo - Shipley Upper School
(5)
814 Yarrow Street
Bryn Mawr, PA 19010
(610) 525-4300
Grades: PK-12
| 660 students
Upland Country Day School
Upland Country Day School Photo - Upland began the first international exchange program at the middle school level in the country. Each year, two or more students from Turku, Finland spend their ninth grade year at Upland and Upland 8th and 9th graders travel to Finland and Germany or England to play hockey or lacrosse, experience the culture and take part in a tradition that dates back more than 35 years.
(7)
420 W Street Road
Kennett Square, PA 19348
(610) 444-3035
Grades: NS-9
| 221 students
1000 Indian Rock Dam Road
York, PA 17403
(717) 815-6700
Grades: PK-12
| 318 students

Recent Articles

Is It Easier to Land a Private School Job When You're Already Employed?
Is It Easier to Land a Private School Job When You're Already Employed?
Is it easier to land a private school job when you're already employed? This article breaks down employer biases, networking advantages, and negotiation leverage—plus the latest hiring trends in independent schools. If you’re considering a move, here’s how to maximize your position.
How to Secure a Private School Job When You're Unemployed Without the Stigma
How to Secure a Private School Job When You're Unemployed Without the Stigma
Finding a private school job while unemployed can be tough, but it doesn't have to hold you back. This article breaks down networking strategies, ways to stand out, and smart approaches to keep your confidence strong. Learn how to turn setbacks into strengths and secure the right opportunity—without the stigma.
The Private School Job Hunt: Insider Tips for Employed & Unemployed Educators
The Private School Job Hunt: Insider Tips for Employed & Unemployed Educators
Navigating the private school job market? Whether you're employed or unemployed, the right strategy can make all the difference. This article breaks down essential steps to keep your resume sharp, expand your network, and stay visible in the education community. Learn insider tips to position yourself for success in private schools.