Devon Preparatory School
 Devon Preparatory School is a private Catholic college preparatory school in Devon Pennsylvania founded in 1956 by the Piarist fathers. It is an all-boys school divided into a middle school (grades 6–8) and an upper school (grades 9–12) both located on the same campus of 20 acres (81000 m2). The school operates independently with the blessings of the Roman Catholic Archdiocese of Philadelphia.The mansion the centerpiece of the estate was built in 1913 by Philadelphia publisher Dr.