Montgomery County
- Abington Friends School
- Academy of the New Church
- Akiba Hebrew Academy
- Armenian Sisters Academy
- The Baldwin School
- The Episcopal Academy
- Friends Central School
- Germantown Academy
- Gladwyne Montessori School
- The Haverford School
- The Hill School
- La Salle College High School
- The Miguon School
- Mount Saint Joseph Academy
- Oak Lane Day School
- Office of Catholic Education
- Perelman Jewish Day School
- Perkiomen School
- Plymouth Meeting Friends School
- The Quaker School at Horsham
- The Shipley School
- The Wyndcroft School
Berks County
- Albright Learning Center
- Berks Christian School
- Blue Mountain Academy
- Central Catholic High School
- Gateway Christian School
- High Point Baptist Academy
- Holy Name High School
- Kempton New Church School
- Kidspeace Advances Program School
- Kindercare
- La Salle Academy
- Pine Forge Academy
- Reading SDA Junior Academy
- St. Catherine of Siena Regional
- St. Ignatius Loyola School
- St. Johns Pre Kindergarten
Bucks County
Lehigh County
- Allentown Central Catholic High School
- Lehigh Career and Technical Institute
- Lehigh Valley Christian High School
- Roberto Clemente Charter School
- Salem Christian School