St. Mary's School of Piscataway
Discover the Difference!
Catholic Standard photo by Andrew Biraj

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

Tuition Assistance Application

We are pleased to announce that the Archdiocesan Tuition Assistance application window is now open for the 2026–2027 school year.

Stay Connected

Stay connected with us on Facebook and Instagram for the latest news and upcoming events.

AlphaBEST Education Flyer
Maryland BOOST Scholarships-Apply Today K-12
Maryland Excels Quality Rating 1 2022