Welcome
We are St Mary's School of Piscataway, serving prekindergarten three through eighth grade. St. Mary's promotes the spiritual, intellectual, social and emotional development of our students. Our campus is located on the banks of Piscataway Creek in Clinton, Maryland, in southern Prince George County. We are located between Clinton, Accokeek, Fort Washington, and Waldorf.
Latest News
Uniform Vendors
St. Mary's School of Piscataway has two uniform vendors: Flynn O’Hara and Land’s End. Please see below for more information.
Summer Camp
St. Mary's School of Piscataway will host an AlphaBest summer camp from June 16 through August 15 for students in preK(3) through sixth grade. View our March 31, 2025, newsletter for details.