The Shipley School Photo - Shipley Upper School

Best Pennsylvania Private High Schools Belonging to Association of Delaware Valley Independent Schools (2025-26)

For the 2025-26 school year, there are 5 private high schools belonging to Association of Delaware Valley Independent Schools serving 1,546 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, The Grayson School, and Upland Country Day 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 (2025-26)

School
Location
Quick Facts
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
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
The Shipley School
The Shipley School Photo - Shipley Upper School
(5)
814 Yarrow Street
Bryn Mawr, PA 19010
(610) 525-4300
Gr: PK-12 | 660 students Avg. class size: 14 students Sports: 15 | Extracurrculars: 22 Tuition & acceptance rate listed
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
Gr: NS-9 | 214 students Avg. class size: 18 students Sports: 5 | Extracurrculars: 9
1000 Indian Rock Dam Road
York, PA 17403
(717) 815-6700
Gr: PK-12 | 318 students Avg. class size: 15 students Sports: 12 | Extracurrculars: 9 Acceptance rate listed

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