Address

118 N COUNTRY RD
MOUNT SINAI, NY 11766
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Phone Number

631-870-2600

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

KG-04

School Level

Elementary

Student and Staff Info

Number of Teachers: 48

Student Enrollment: 941

Teacher Student Ratio: 19.60

--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

Robert M Grable Junior Mount Sinai High School in Mount Sinai, NY (0.1 miles)

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

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

Comsewogue High School in Port Jefferson Sta, NY (2.1 miles)

North Country Road School in Miller Place, NY (2.2 miles)

Related School Info

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

Last Updated: 2026-05-30 12:31:32 || School Id: 62755