Saint Mary's High School, Manhasset

Saint Mary's High School, Manhasset

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Founded in 1949, St. Mary's is a Roman Catholic High School committed to teaching the Gospel values. St.

Saint Mary’s High School is a Roman Catholic, college preparatory school, serving a diverse student body of young men and women. Mary’s High School is committed through its teachings to foster respect within its community by celebrating the uniqueness of each person.

06/17/2026

Congratulations to our own counselor and college advisor Mr. McDermott, who yesterday earned his second master’s degree, this time in Mental Health Counseling!

We are incredibly proud of his accomplishment and grateful for the example he sets for our students. Mr. McDermott’s commitment to lifelong learning reflects the dedication of so many of our faculty members, who continually strive to grow in their fields and further their education.

Please join us in congratulating Mr. McDermott on this outstanding achievement!

Photos from Saint Mary's High School, Manhasset's post 06/08/2026

Today’s final Monday Morning Assembly of the school year was especially meaningful. First, Gabriella Palma ’27 was honored with the Nassau County District Attorney’s Shield Award in recognition of her outstanding contributions to our school community. We are proud to celebrate this well-deserved achievement.
We also held our Rising Class Ceremony, where each grade moved into their new seats for next year’s Monday Morning Assemblies, marking an exciting step toward the year ahead.

Photos from Saint Mary's High School, Manhasset's post 06/07/2026

Recently, we proudly celebrated the graduation of the St. Mary’s Class of 2026. As our newest alumni prepare for college, careers, military service, and other exciting opportunities, we remain grateful for the impact they had on our school community. Their leadership, faith, talents, and dedication helped shape St. Mary’s, and we are confident they will continue to make a difference wherever life takes them. Congratulations once again to the Class of 2026. We are proud of all you have accomplished and look forward to following your future successes.

06/05/2026
06/05/2026

Join us for the Solemnity of Corpus Christi on Sunday, June 7, at the 12:00 noon Mass at St. Mary's Church.

Mass will be followed by a Eucharistic procession and a light reception in the Marion Room.

Photos from Saint Mary's High School, Manhasset's post 06/05/2026

Last Tuesday, we gathered one final time as a school community for the Baccalaureate Mass with the Class of 2026. Together, we gave thanks for the many blessings of the past four years and prayed for God’s guidance as our graduates begin the next chapter of their lives. Following Mass, we celebrated at the Senior Banquet, recognizing the accomplishments, leadership, and contributions of the members of the Class of 2026. It was a wonderful evening of fellowship and gratitude as we honored a remarkable group of young men and women who have left a lasting impact on Saint Mary’s.

Photos from Saint Mary's High School, Manhasset's post 06/01/2026

We were honored to welcome Bishop Barres to Saint Mary’s High School. During his visit, he met with students, shared words of encouragement and faith, and engaged in thoughtful conversations about education, leadership, and living out the Gospel. Thank you, Bishop Barres, for inspiring our school community with your presence and wisdom.

05/08/2026

Registration for St. Mary’s 2026 Summer Camps is LIVE!

Whether your camper wants to find their spotlight on stage, sharpen their skills on the court, or just soak up the "Fun and Sun," we have the perfect week (or five!) for them.

Visit our website to register!

https://www.saintmaryshs.org/student-life/summer-camps

Photos from Saint Mary's High School, Manhasset's post 05/05/2026

Taco Tuesday + Cinco de Mayo = A Great Day at St. Mary’s!

A big thank you to our GAEL Parent Association for treating our faculty to a fantastic themed lunch! From a full spread of tacos from Tony’s Tacos to all the thoughtful details, it was a great way to celebrate together.

We are always grateful for the dedication of our faculty and moments like these remind us how blessed we are to have such strong support from our parent community.

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51 Clapham Avenue
Manhasset, NY
11030