"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
In College Scholarships -
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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“The Addams Family” Musical
St. Mary’s High School Performing Arts Program proudly presents The Addams Family musical on stage in the Edith Denihan Memorial Auditorium.Read More -
Lenten Soup Supper Serves Up Fellowship and Flavorful Meal
By putting their faith into action, the Daughters of Mary (DOM) ministry organized the event with beautiful grace and effort.Read More -
GPA Fundraiser Makes the Mark
On Saturday, March 1, 2025, the Saint Mary’s High School community came together for a unique and enjoyable evening, courtesy of the Gaels Parents Association.Read More -
Sports Night 2025
The moment we’ve all been waiting for is near...let’s gather as a community and cheer!Read More -
Lady Gaels are In the State Finals
The St. Mary’s Lady Gaels advance to the New York State “AA” League Finals.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.