Private school · Roman Catholic
St Mary School
St Mary School is a private Roman Catholic school in Islip serving grades K–8, with 331 students, 15.8 students per teacher.
St Mary School by the numbers
As reported to the U.S. Department of Education for 2023–24 (Private School Survey). Student–teacher ratio is not classroom size.
Address, phone and website
Schools nearby
About St Mary School
What grades does St Mary School have?
St Mary School serves grades K–8.
How many students go to St Mary School?
331 students, about 15.8 per teacher, as reported to the U.S. Department of Education for 2023–24.
Is St Mary School a private school?
Yes. St Mary School is a private Roman Catholic school. Contact the school about admissions, tuition and schedules.
Where is St Mary School?
16 Harrison Ave, East Islip 11730. Phone (631) 581-3423.
Source: U.S. Department of Education, National Center for Education Statistics, Private School Survey (2023–24). Historical survey data, not confirmation of current operation. Contact the school to confirm its location, admissions, tuition and programs.