MISSION STATEMENT Saint Mary`s High School, an integral part of the ministry of St. Mary`s Parish, is a Roman Catholic, coeducational community guided by the message of the Gospel in its commitment to nurturing each individual, engendering respect for the dignity of the human person, and maintaining the highest standards of academic excellence.
ACCREDITATION St. Mary`s is a parish school owned and operated by the Church of Saint Mary, Manhasset which is within the Diocese of Rockville Centre. It is chartered and registered by the Board of Regents of the University of the State of New York and by the State Education Department.
St. Mary`s is accredited by the Middle States Association of Colleges and Schools.
It is also a member of the College Entrance Examination Board, the National Catholic Education Association and the National Association of Secondary School Principals.
Quick Facts (2025-26)
- Top Ranked NY School
- Grades: 9-12
- Enrollment: 800 students
- Yearly Tuition: $13,860
- Acceptance rate: 99%
- Average class size: 15 students
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
Saint Mary's High School, Manhasset ranks among the top 20% of private schools in New York for:
Category
Attribute
Student Body
Sports offered
Extracurriculars
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades 9-12
Year Founded
1949
Colors
White, Blue
Summer School Offered
Yes
Student Body
Total Students
800 students
Student Body Type
Co-ed
% Students of Color
25%
State avg.: 40%
Students by Grade
Academics and Faculty
Total Classroom Teachers
45 teachers
Student-Teacher Ratio
18:1
National avg.: 13:1
Average Class Size
15 students
Number of AP Courses
14 courses
Classroom Dress Code
Formal
School uniform
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
$13,860
Acceptance Rate
99%
National avg.: 81%
Admissions Director
Mr. Michael Ryan
Sports
Total Sports Offered
15 sports
Extracurriculars
Total ExtracurricularsTotal Extra-curric.
22 extracurriculars
ExtracurricularsExtra-curric.
Art ClubAthletes Helping Athletes
Band ClubBible Club
Campus MinistryCheerleading
Chess ClubComputer/Networking Club
Environmental AwarenessItalian Club
Literary MagazineMixed Martial Arts Club
Mock TrialMusic Club
Performing ArtsProject Rebuild
Retreat LeadersSchool Newspaper
Science OlympiadSpanish Club
Student CouncilYearbook
School Notes
- School Motto: Omnia Ad Jesum per Mariam
- School Mascot: Gaels
- LEGACY
- Founded in 1949, Saint Mary`s High School was first staffed by the Sisters, Servants of the Immaculate Heart of Mary and Diocesan priests. The first classes were held in the parish elementary school. The following year, 150 boys and girls continued their studies in the new high school building erected on the campus; later that year the Marist Brothers arrived. We honor our founding principals, Mother M. Annette and Brother Nicholas Mary, who set the foundation of the Saint Mary`s High School education that has guided and served the school for over 60 years.
- PHILOSOPHY
- Empowering Character, Innovation, and Leadership in our students, Saint Mary`s High School is a dynamic, contemporary, Catholic value centered school, combining a commitment to academic excellence and educational innovation, with a passion for learning, and an emphasis on moral character development through the pursuit of truth as discovered in faith and reason. Saint Mary`s transforms the lives of its students and our community through the power of learning and academic excellence, preparing young people to assume a life of integrity, academic success, career fulfillment and service to the community.
- CAMPUS
- St. Mary`s is located off Northern Boulevard on Clapham Avenue and Second Street in Manhasset. The high school facilities provide its students with the use of 42 classrooms, state-of-the-art science labs including two biology centers, two chemistry, one earth science, and one physics laboratories, three computer rooms, a library, two gymnasiums each with locker room facilities, two art studios, an auditorium, two cafeterias, and an all-weather soccer/lacrosse athletic field with a track. The parish has made its church available for all school liturgies and prayer services.
Source: Verified school update
Frequently Asked Questions
How much does Saint Mary's High School, Manhasset cost?
Saint Mary's High School, Manhasset's tuition is approximately $13,860 for private students.
What is the acceptance rate of Saint Mary's High School, Manhasset?
The acceptance rate of Saint Mary's High School, Manhasset is 99%, which is higher than the national average of 74%.
What sports does Saint Mary's High School, Manhasset offer?
Saint Mary's High School, Manhasset offers 15 interscholastic sports: Badminton, Baseball, Basketball, Bowling, Cheering, Cross Country, Golf, Ice Hockey, Lacrosse, Soccer, Softball, Swimming, Tennis, Track and Field and Volleyball. Saint Mary's High School, Manhasset is ranked as one of the top 20% of private schools in New York for most sports offered.
What is Saint Mary's High School, Manhasset's ranking?
Saint Mary's High School, Manhasset ranks among the top 20% of private schools in New York for: Largest student body, Most sports offered and Most extracurriculars offered.
When is the application deadline for Saint Mary's High School, Manhasset?
The application deadline for Saint Mary's High School, Manhasset is rolling (applications are reviewed as they are received year-round).
School Calendar
View the Saint Mary's High School, Manhasset yearly calendar below.
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People that viewed Saint Mary's High School, Manhasset also viewed these schools: Holy Trinity Diocesan High School, Kellenberg Memorial High School, Holy Cross High School, Long Island Lutheran Middle & High School and St. Francis Prep.
The nearest high school to Saint Mary's High School, Manhasset is North Shore Hebrew Academy High School (1.4 miles away)
The nearest elementary school and preschool is St. Mary's Continuation School (0.1 miles away)
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