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Top 20 Best Pennsylvania Private Preschools Belonging to National Association of Independent Schools (NAIS) (2025)

For the 2025 school year, there are 66 private preschools belonging to National Association of Independent Schools (NAIS) serving 24,157 students in Pennsylvania. You can also find more schools membership associations in Pennsylvania.

The private preschools belonging to National Association of Independent Schools (NAIS) in Pennsylvania include The Agnes Irwin School, Greene Street Friends School, and The Haverford School.

The average tuition cost is $25,166, which is higher than the Pennsylvania private preschool average tuition cost of $12,677.

47% of private preschools belonging to National Association of Independent Schools (NAIS) in Pennsylvania are religiously affiliated (most commonly Friends and Catholic).

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.

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 - 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.

Shady Side Academy Country Day School Photo - Our newest outdoor classroom a treehouse, the only one its kind in Western Pennsylvania, and one of only a few across the country. The treehouse features a 12x20-foot enclosed classroom, and large windows. A 30x30-foot observation deck surrounds the building and a suspension bridge which runs from the base of the treehouse to a lookout platform on a nearby tree.

Shady Side Academy Junior School Photo - Shady Side Academy has four campuses. The Junior School, located in Point Breeze, begins at PK and goes up to the fifth grade. On this seven-acre campus, our youngest students reside in the newest facility built specifically for their needs. This photo shows PK students tending their garden. Our second PK - 5 campus is located in Fox Chapel.

Waldron Mercy Academy Photo - Waldron Mercy Academy, a Catholic School sponsored by the Sisters of Mercy, is a diverse, faith community rooted in the gospel values of mercy and justice.

Armenian Sisters Academy Photo - The Armenian Sisters Academy fosters the Montessori philosophy in a warm and caring environment.

Gwynedd-mercy Academy Elementary School Photo - Gwynedd-Mercy Academy has kept pace with developing technology by equipping our classrooms, library and computer lab with interactive whiteboards, wireless Internet and Microsoft Surface tablets, iPads and computer work stations. Technology is integrated across the curriculum and classroom devices are available for all students, enhancing individualized instruction.

Greene Street Friends School Photo - Middle School, grades 5-8, is marked by a rigorous academic program that recognizes that every child is unique and special. Students participate in many hands-on individual and group projects that promote curiosity and understanding. Students are well prepared for the top high schools, both public and private, in the area.

The Gladwyne Montessori School Photo - 3rd year primary student gives a lesson to a 2nd year primary student using the iconic pink tower, specifically designed for children to learn about space, size, and comparison in a concrete manner.

Sewickley Academy Photo - For Who You Are. For Who You Will Become.

Frankford Friends School Photo - Our students are confident explorers who are curious about the world.

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