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Welcome TO ST. MARY'S SCHOOL

St. Mary's is a Great Place to Grow...

Since 1951 we have been forming responsible, faith-filled children through a rigorous curriculum that marries faith, academics and service. The greatest testament to our mission of educating the whole child is the fact that so many alumni return to the halls of St. Mary’s School to educate their children. We are expanding every day through an array of extracurricular opportunities, an extended preschool with all-day hours and ongoing training for staff and administrators.​


 #WhyStMarysRockville

Mustangs News

The Girls Robotics Team
The Girls Robotics Team
Posted on 03/18/2019
I recently interviewed Lia llagan, a member of the girls’ robotics team. The answers I got were out of this world! She told me all about this season’ ...
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Seussical Jr.
Drama Club Presents: Seussical Jr.
Posted on 03/18/2019
Every year St. Mary’s puts on an outstanding spring play. ...
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