About Cornerstone
Cornerstone is a community of 91 homes located in Bryn Mawr, Pennsylvania.
If you need to reach us by mail, our mailing address is:
Cornerstone Homeowners Association
P.O. Box 421
Bryn Mawr, PA 19010
Bryn Mawr is part of Radnor Township in Delaware County.
Cornerstone is in the Radnor Township School District.
The following schools serve our community:
Elementary School:
Ithan Elementary School
695 Clyde Road
Bryn Mawr, PA 19010
Principal: Dr. Tronya Boylan
Phone: 610-527-1357
Middle School:
Radnor Middle School
150 Louella Avenue
Wayne, PA 19087
Principal: Dr. David Wiedlich
Phone: 610-386-6300
High School:
Radnor High School
130 King of Prussia Road
Radnor, PA 19087
Principal: Panayota "PT" Kevgas
Phone: 610-293-0855
