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Top 20 Best Pennsylvania Private High Schools Belonging to National Association of Independent Schools (NAIS) (2024-25)

For the 2024-25 school year, there are 57 private high schools belonging to National Association of Independent Schools (NAIS) serving 26,912 students in Pennsylvania. You can also find more schools membership associations in Pennsylvania.

The private high schools belonging to National Association of Independent Schools (NAIS) in Pennsylvania include The Agnes Irwin School, Grier School, and George School.

The average tuition cost is $35,225, which is higher than the Pennsylvania private high school average tuition cost of $16,971.

46% of private high schools belonging to National Association of Independent Schools (NAIS) in Pennsylvania are religiously affiliated (most commonly Catholic and Friends).

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.

Cristo Rey Philadelphia High School Photo

Germantown Academy Photo - Second grade students research various species in the Wissahickon Creek, which runs through the heart of GA's campus.

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.

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.

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

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.

Milton Hershey School Photo - At Milton Hershey School, our founders' generosity and vision have enabled us to develop and maintain a whole child approach to education and programming that comes at no cost to our students or their families.

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.

Friends Central School Photo - Friends' Central School is an independent, coeducational, Quaker, college-preparatory day school for Nursery through grade 12 students. Located on 41 acres across two campuses in Wynnewood, Pa., Friends' Central cultivates the intellectual, spiritual, and ethical promise of students. Since 1845, Friends' Central has been educating for excellence, inspiring tomorrow's leaders, honoring each individual, and encouraging students to peacefully transform the world.

The Janus School Photo - The Janus School

Springside Chestnut Hill Academy Photo - Our Lower School students run into our beautiful McCausland building each morning excited to see their teachers and classmates. Our students feel at home here, and they learn how to take risks in our nurturing setting where making mistakes is embraced as part of the learning journey. Lower School students have tremendous resources available to them throughout our campus and in the neighboring Wissahickon woods, providing a variety of activities to hone their developing skills. Our single-sex environments allow children to learn who they are without the pressures of gender stereotypes and foster relationships that last a lifetime. Our faculty understand the enormous potential of these moments and are always on the lookout for ways to build on a student's curiosity and help their passions come alive.

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.

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