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Top 20 Best Pennsylvania Private High Schools Belonging to Pennsylvania Association of Independent Schools (PAIS) (2025)

For the 2025 school year, there are 46 private high schools belonging to Pennsylvania Association of Independent Schools (PAIS) serving 22,066 students in Pennsylvania. You can also find more schools membership associations in Pennsylvania.

The private high schools belonging to Pennsylvania Association of Independent Schools (PAIS) in Pennsylvania include Mercersburg Academy, The Agnes Irwin School, and Shady Side Academy.

The average tuition cost is $36,080, which is higher than the Pennsylvania private high school average tuition cost of $18,490.

39% of private high schools belonging to Pennsylvania Association of Independent Schools (PAIS) in Pennsylvania are religiously affiliated (most commonly Catholic and Friends).

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.

Westtown School Photo - The Westtown School campus includes 600 acres of land, a 14-acre lake with a beach and boathouse, and an arboretum and natural forest.

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.

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

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.

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.

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

Devon Preparatory School Photo - Devon Prep's Music Society includes several choral groups and a jazz band.

Upland Country Day School Photo - Upland Country Day's 23 Acre Campus

Sewickley Academy Photo - 92% of the Class of 2019 was admitted to a top-choice college or university and 47% of the class was admitted to a school with an acceptance rate of 30% or lower.

Solebury School Photo - A bird's eye view of Solebury's beautiful 140-acre campus

Linden Hall Photo - Students enjoying the fountain courtyard on an autumn day.

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.

Villa Maria Academy High School Photo - Villa's campus features newly-constructed tennis/paddleball courts, a resurfaced track (2024), a new gym floor (2024), new gym bleachers (2024), a renovated Alumnae Gardens, and a new student union building (2022).

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