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Top 20 Best Pennsylvania Nonsectarian Private High Schools (2025)

For the 2025 school year, there are 221 nonsectarian private high schools in Pennsylvania. You can also find more religiously affiliated schools in Pennsylvania.

The nonsectarian private high schools in Pennsylvania include The Agnes Irwin School, Grier School, and Mercersburg Academy.

Germantown Academy Photo - Germantown Academy's Alter Middle School and McNeil Upper School at night.

Fusion Academy Ardmore Photo - Students can attend Fusion full-time for middle and high school or enroll in one of our part-time options. We offer classes for credit, tutoring/mentoring, post-secondary counseling, summer programs, test prep, and more.

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.

Milton Hershey School Photo - Milton Hershey School thrives as a cost-free, private, coeducational home and school for more than 2,000 students from families of lower income.

Kimberton Waldorf School Photo - The 5th grade Pentathlon brings together Waldorf schools from a three-hour radius for a day of friendly athletic competition and collaboration -- the culmination of their Greek studies.

The Crefeld School Photo - Two Upper School Students on a beautiful day in Crefeld's field

The Janus School Photo - The Janus School

Wyoming Seminary Upper School Photo - Are you ready for a change? Are you ready to be transformed? As a student at Sem, your life will change in the best possible ways.

HMS School For Children With Cerebral Palsy Photo - Physical therapy

Shady Side Academy Photo - In the Hillman Center for Performing Arts students have the opportunity to participate in the fall drama, the winter musical, and the Original Theater Works Festival in the spring. There are numerous musical performances each year including Chamber Choir, Symphonic Band, Jazz Ensemble and the String Ensemble, among others. This is also where our twice-weekly community assemblies are held.

Philadelphia Free School Photo - Philly Free School's building in West Philly.

St. Stephens Lutheran Academy Photo - St. Stephen's Students Enjoy Equine Activities

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.

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