"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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Now that the TACHS exam is over, let’s get to know you better!
St. Mary’s has always considered your grades, gifts and talents for admission and scholarships!Read More -
Passing of Brother Kenneth Robert, FMS
Brother Kenneth was the cornerstone of the storied athletic program at St. Mary’s High School, serving as a coach, mentor, and athletic director since joining the staff in 1958. His tenure spanned 60 years at St. Mary’s.Read More -
Our Fiscal Year Ends on August 31st
Be a Partner in Stewardship at Saint Mary's. Many thanks to everyone who has supported us this past year!Read More -
Alumnus to Receive Tewaaraton Legend Award
Founded at the University Club of Washington, DC, the Tewaaraton Award is recognized as the preeminent lacrosse award, annually honoring the top male and female college lacrosse player in the United States.Read More -
Gaels Going Above and Beyond the Classroom
Five students gave of their time during the Easter break to help to make our greater Manhassset community and the world a little bit brighter and cleaner.Read More
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Upcoming Events
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9th & 10th Grade Christmas Snow Ball
7:00pm - 10:00pm Marist Gym -
Christmas Concert
7:00pm IH Auditorium
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.