"Omnia Ad Jesum per Mariam"
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Everything to Jesus through Mary
Omnia ad Jesum per Mariam is not just our motto -- it is who we are. It is at the very heart of our mission.
Quick Facts
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12:1
Student-Teacher Ratio -
14
AP Courses Offered -
18.7 M
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25
Varsity Sports Teams
Take the Next Steps
It’s time to start you journey as a member of the St. Mary’s community!
Recent News
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75 Years of Excellence in Catholic Education Celebrated
St. Mary’s High School celebrated a momentous occasion on Saturday, May 4, 2025 – its 75th anniversary.Read More -
Danny Green Holds Court at St. Mary’s
St. Mary’s High School Class of 2005 alum and three-time NBA Champion Danny Green was returned to campus on Friday, May 3, 2025.Read More -
Marian Circle formed to Bolster the Cycle of Generosity for St. Mary’s
Saint Mary’s High School recently held an inaugural reception in Marist Hall, a special event to introduce the Marian Circle, a new initiative aimed at fostering a community of dedicated supporters for the school, and gather their esteemed benefactors.Read More -
Performing Arts Program Delivers at St. Mary’s
The Saint Mary’s High School Performing Arts Program showcased its vitality with a remarkable production of The Addams Family!Read More -
Passing of Pope Francis
We invite you to read the letter on the Passing of Pope Francis from the Administration of the Schools of Saint Mary.Read More
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Upcoming Events
St. Mary's High School
Located in Manhasset, NY, St. Mary's College Preparatory High School is a private Catholic school for grades 9th-12th. Students benefit from a challenging academic program, Catholic intellectual tradition, competitive athletics, and a wide selection of extracurricular activities.