Exton is a census-designated place (CDP) in West Whiteland Township, Chester County, Pennsylvania, United States. Its population was 4,842 at the 2010 census. The Exton Square Mall is located within Exton along with several other shopping centers, making Exton the major shopping district in Chester County.
Exton is served by two public school districts, Downingtown Area School District and West Chester Area School District. Downingtown Area School District's Downingtown High School East Campus and Lionville Middle School, as well as West Chester School District's Exton Elementary, are located in Exton. Other schools in Exton are the Catholic parish school Saints Philip and James and the Church Farm School. Troy University has a learning site in Exton. Exton is home to the offices of 21st Century Cyber Charter School, a statewide cyber school that is known for being the only cyber school to make Pennsylvania's AYP (Adequate Yearly Progress) benchmark 5 years in a row.