The Hillside School has memberships to the following organizations:
ADVIS – The association of Delaware Valley Independent Schools is a nonprofit organization that represents 133 highly acclaimed independent private schools in eastern Pennsylvania, southern New Jersey, Delaware, and Maryland.
AFP – The Association of Fundraising Professionals is the professional association of individuals and organizations that generate philanthropic support for a wide variety of charitable institutions. AFP advances philanthropy through its more than 30,000 members in 230 chapters throughout the world.
DyslexiaHelp – DyslexiaHelp helps individuals with dyslexia, as well as parents, employers, and professionals of all kinds who have the privilege to work with dyslexics gain new understandings about dyslexia and language disability, including current research findings and how to design intervention contexts based on best practices.
ISM – Independent School Management is dedicated to the advancement of school management. ISM provides creative strategies by combining extensive research, proven management techniques, and personalized service.
NAIS – The National Association of Independent Schools is a nonprofit membership association that provides services to more than 1,700 schools and associations of schools in the United States and abroad, including 1,400 independent private K-12 schools in the U.S.
PBIDA – The Pennsylvania Branch of the International Dyslexia Association, serving Pennsylvania and Delaware, provides support and information for individuals, families and educational professionals concerned with the issues of dyslexia and learning differences.