Grades: PK-8 | 403 students
- Founded in 1949, St. Mary's High School is a Roman Catholic, Parochial, coeducational, college preparatory school serving the diverse educational needs of families in the Diocese of Rockville Centre and the Diocese of Brooklyn.
- St. Mary's High School is conducted by dedicated Lay and Religious men and women who value their ties to the Sisters, Servants of the Immaculate Heart of Mary, and the Marist Brothers and continue their commitment to preparing young men and women for college and life-long learning.
- While celebrating the uniqueness of each individual, our mission calls us to continue our tradition of spiritual development, academic excellence, friendship, service, responsibility, and citizenship into the twenty-first century.
|School Membership(s)School Assoc.||National Catholic Educational Association (NCEA)|
|Religious Affiliation||Roman Catholic|
|Grades Offered||Grades Prekindergarten-8|
|Total Students||403 students|
|Student Body Type||Co-ed|
|% Students of Color||
State avg.: 29%
|Students by Grade|
Academics and Faculty
|Total Classroom Teachers||28 teachers|
|Student : Teacher Ratio||14:1
National avg.: 13:1
Finances and Admission
|Admission Deadline||None / Rolling|
- School Location Miles Grades Students
HicksvilleGrades: PK-8 | 455 students
520 S Oyster Bay Rd
Hicksville, NY 11801
ManhassetGrades: 9-12 | 800 students
51 Clapham Avenue
Manhasset, NY 11030
RoslynGrades: NS-8 | 323 students
2 I U Willets Road
Roslyn, NY 11576
Locust ValleyGrades: NS-12 | 776 students
270 Duck Pond Road
Locust Valley, NY 11560
Glen HeadGrades: NS-8 | 415 students
250 Valentines Lane
Glen Head, NY 11545
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