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
Storybook Parade and Pumpkin Patch
Students at St. Mary’s School of Piscataway celebrated fall with the storybook parade and pumpkin patch.
Tuition Assistance Application
We are pleased to announce that the Archdiocesan Tuition Assistance application window is now open for the 2026–2027 school year.
Thanksgiving Break
There is no school on Wednesday, November 26 through Friday, November 28 for our Thanksgiving break.