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Upcoming Events

May 2026

  • May
    1

    College Fair

  • May
    15

    Senior Sunset BBQ

  • May
    20

    Senior Prom

  • May
    22

    School Holiday - School Closed

  • May
    25

    Memorial Day - School Closed

  • May
    26

    Baccalaureate Mass & Senior Banquet

  • May
    28

    Graduation - Edith Denihan Auditorium

  • May
    29

    12:00 pm Dismissal

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May 2026

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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.