Home > Pennsylvania > Schools By Membership Association

Top 20 Best Pennsylvania Private Schools Belonging to Association of Delaware Valley Independent Schools (ADVIS) (2025)

For the 2025 school year, there are 44 private schools belonging to Association of Delaware Valley Independent Schools (ADVIS) serving 11,933 students in Pennsylvania. You can also find more schools membership associations in Pennsylvania.

The private schools belonging to Association of Delaware Valley Independent Schools (ADVIS) in Pennsylvania include The Agnes Irwin School, Girard College, and Gwynedd Mercy Academy High School.

The average tuition cost is $31,158, which is higher than the Pennsylvania private school average tuition cost of $14,641.

41% of private schools belonging to Association of Delaware Valley Independent Schools (ADVIS) in Pennsylvania are religiously affiliated (most commonly Catholic and Friends).

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.

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.

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.

Cristo Rey Philadelphia High School Photo

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

Center School Photo - STEM is a strong focus at Center School. From reverse engineering, to building a little library, there is always some exciting coming from the STEM group.

Villa Maria Academy High School Photo - Villa Maria is located on the western Main Line, on 45 acres in Malvern, PA. Students move between three classroom buildings and a newly-constructed student union, which houses the dining hall, administrative offices, counseling, study space, and the chapel.

The Baldwin School Photo - Girls sometimes learn that the effect they predicted on paper isn't always what happens in the test tube, and that rethinking a reaction-- or learning about the world and coming up with a smart, new prediction-- is the real solution.

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.

Harrisburg Academy Photo - Upper School Students take a moment to discuss the period's lecture.

The Hillside School Photo - The Hillside School

Vanguard School Photo - The Vanguard School, Malvern, PA

Montgomery School Photo - 5th Graders work with a team of scientists from the Ruth Patrick Center for Environmental Research (a program at the Academy of Natural Sciences) to conduct an in-depth study of Pickering Creek, which runs through Montgomery School's 60-acre campus.

Recent Articles

June 09, 2025

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.

June 09, 2025

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.

June 09, 2025

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.