Mount Sinai Union Free School District


Summary:

The Mount Sinai Union Free School District operates three schools serving grades K-12: Robert M Grable Junior Mount Sinai High School, Mount Sinai Middle School, and Mount Sinai Elementary School. This high-performing district is ranked 148 out of 874 districts in New York and has a 4-star rating from SchoolDigger.

The standout school in the district is Robert M Grable Junior Mount Sinai High School, which is ranked among the top 40 high schools in New York state for the past 3 years and has a 5-star rating. The school boasts exceptional test scores, with 80-99% of students proficient or better across a wide range of Regents exams, as well as a high 4-year graduation rate of 84.3% and a low dropout rate of 4.5%. In contrast, while the middle and elementary schools perform well, their state-wide rankings and test scores are not as strong as the high school.

Across the district, enrollment ranges from 654 students at Mount Sinai Elementary School to 700 students at Robert M Grable Junior Mount Sinai High School. The schools have relatively low free/reduced lunch rates, ranging from 11.24% to 13.3%, and consistent student-teacher ratios between 11.2 and 13.5 students per teacher. Spending per student varies from $17,116 at Mount Sinai Middle School to $21,050 at Robert M Grable Junior Mount Sinai High School, suggesting the district is allocating resources fairly and equitably.

District Detail

 118 N Country Rd
Mount Sinai, NY 11766-0397

 (631) 870-2550

SchoolDigger Rank:
148th of 874 New York districts

See the 2025 New York District rankings!
Grades served: K-12
Students: 1,984

Primary Schools: 1
Middle Schools: 1
High Schools: 1
Alternative Schools: 0
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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau, the WNYC and the New York State Department of Health and the NY State Education Department.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.





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