High school · Mount Sinai Union Free School District
Robert M Grable Jr Mount Sinai High School
Robert M Grable Jr Mount Sinai High School is a public high school in Brookhaven serving grades 9–12, with 700 students, 11.9 students per teacher. Mount Sinai
Robert M Grable Jr Mount Sinai High School by the numbers
As reported to the U.S. Department of Education for 2023–24. Student–teacher ratio is not classroom size.
Address, phone and website
110 N COUNTRY RD, Mount Sinai 11766
School website ↗Mount Sinai Union Free School District website ↗Directions ↗
Schools nearby
About Robert M Grable Jr Mount Sinai High School
What grades does Robert M Grable Jr Mount Sinai High School have?
Robert M Grable Jr Mount Sinai High School serves grades 9–12.
How many students go to Robert M Grable Jr Mount Sinai High School?
700 students, about 11.9 per teacher, as reported to the U.S. Department of Education for 2023–24.
What school district is Robert M Grable Jr Mount Sinai High School in?
Mount Sinai Union Free School District. District information and the school calendar are on the district website.
Where is Robert M Grable Jr Mount Sinai High School?
110 N COUNTRY RD, Mount Sinai 11766. Phone (631) 870-2800.
Source: U.S. Department of Education, National Center for Education Statistics, Common Core of Data (2023–24). Contact the school or district to confirm enrollment boundaries, schedules and programs.