St. Marys High School
Private · Grades 9–12 · 329 students
St. Mary's High School
51 Clapham Ave, Manhasset, NY 11030
Grades
9–12
High
Students
329
Enrolled 2024–25
Students per teacher
12.5 : 1
Full-time teachers
District
Catholic School
Nassau County
About St. Mary's High School
St. Mary's High School is a high school in Manhasset, New York, serving grades 9–12. The school is located in a large suburb in Nassau County.
In the 2024–25 school year, 329 students were enrolled, with about 12.5 students for every full-time teacher. That ratio is larger than the typical New York high school (10.7 students per teacher). It is affiliated with the Roman Catholic tradition.
Grades
PKK123456789101112
Highlighted: grades offeredGrades 9–12
Location & nearby schools
School details
- Type
- Catholic School · What this means
- Religious affiliation
- Roman Catholic
- Level
- High
- Grades offered
- 9–12
- Enrollment (2024–25)
- 329 students
- Students per teacher
- 12.5 to 1
- Locale
- Suburb — Large
- County
- Nassau County
- NCES private school ID
- 00930954
Schools near St. Mary's High School
All 7 schools in Manhasset →
Manhasset Secondary School
Public · Grades 9–12 · 1,031 students
Mesivta of Great Neck
Private · Grades 9–11 · 26 students
Great Neck South High School
Public · Grades 9–12 · 1,362 students
Village School
Alternative · Grades 9–12 · 48 students
Great Neck North High School
Public · Grades 9–12 · 1,155 students
School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.