Address

114 N COUNTRY RD
MOUNT SINAI, NY 11766
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Phone Number

631-870-2700

Website

http://www.mtsinai.k12.ny.us

Important Links: Board of Education Board Policies District Calendar Music Calendar View Full Calendar

School Type

Public School

Grades Served

05-08

School Level

Middle

Student and Staff Info

Number of Teachers: 62

Student Enrollment: 822

Teacher Student Ratio: 13.26

--Gathered from public sources that schools self report. These may be inaccurate.--

School District

Mount Sinai Union Free School District

District PTA/PTO Buying Guide

District Specific Buying Guide

Interactive Map

New York Education Info

New York School Board Structure in 2026: How Local Governance Works Across the State

New York School Safety Policies in 2026: What Parents, Educators, and Communities Should Know

Other Close Schools

Mount Sinai Elementary School in Mount Sinai, NY (0.2 miles)

Robert M Grable Junior Mount Sinai High School in Mount Sinai, NY (0.3 miles)

Port Jefferson Elementary School in Port Jefferson, NY (1.8 miles)

North Country Road School in Miller Place, NY (2.1 miles)

Comsewogue High School in Port Jefferson Sta, NY (2.2 miles)

Related School Info

View All Schools In Mount Sinai, NY

View All School Districts In Mount Sinai, NY

View All School Districts In New York

View All Schools and School Districts In And Around 11766

Information is generated using publicly accessible school-supplied data and may be inaccurate

Last Updated: 2026-05-30 12:31:32 || School Id: 62756