Robert M Grable Jr Mount Sinai High School

110 N Country Rd
Mount Sinai, NY 11766
(School attendance zone shown in map)
9/
10
Top 20%
Serving 763 students in grades 9-12, Robert M Grable Jr Mount Sinai High School ranks in the top 20% of all schools in New York for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%) .
The percentage of students achieving proficiency in math is ≥95% (which is higher than the New York state average of 55%). The percentage of students achieving proficiency in reading/language arts is 65-69% (which is higher than the New York state average of 62%).
The student:teacher ratio of 12:1 is higher than the New York state level of 11:1.
Minority enrollment is 19% of the student body (majority Hispanic and Asian), which is lower than the New York state average of 59% (majority Hispanic).

Quick Stats (2024)

  • Grades: 9-12
  • Enrollment: 763 students
  • Student:Teacher Ratio: 12:1
  • Minority Enrollment: 19%
  • : ≥95% (Top 10% in NY)
  • : Top 20%
  • : ≥95% (Top 5%)
  • : 65-69% (Top 50%)
  • Source: National Center for Education Statistics (NCES), NY Dept. of Education

Top Rankings

Robert M Grable Jr Mount Sinai High School ranks among the top 20% of public schools in New York for:

School Overview

Robert M Grable Jr Mount Sinai High School's student population of 763 students has declined by 6% over five school years.
The teacher population of 64 teachers has grown by 10% over five school years.
Grades Offered
Grades 9-12
(offers virtual instruction)
Total Students
763 students
This chart display total students of Robert M Grable Jr Mount Sinai High School by year, with the latest 2021-22 school year data.
Gender %
This chart display gender of Robert M Grable Jr Mount Sinai High School
Total Classroom Teachers
64 teachers
This chart display the total teachers of Robert M Grable Jr Mount Sinai High School by year, with the latest 2021-22 school year data.
Students by Grade
This chart display the students of Robert M Grable Jr Mount Sinai High School by grade.

School Rankings

Robert M Grable Jr Mount Sinai High School ranks within the top 20% of all 4,093 schools in New York (based off of combined math and reading proficiency testing data).
The diversity score of Robert M Grable Jr Mount Sinai High School is 0.33, which is less than the diversity score at state average of 0.72. The school's diversity has stayed relatively flat over five school years.
Definition of Terms 2021-2022 School Year Data
This School
State Level (NY)
#792 out of 4093 schools
(Top 20%)
This chart display the overall school rank of Robert M Grable Jr Mount Sinai High School, with the latest 2020-21 school year data.
≥95%
55%
This chart display the percentage of students that scored at or above 'proficient' levels in Math of Robert M Grable Jr Mount Sinai High School and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in New York by year, with the latest 2020-21 school year data.
65-69%
62%
This chart display the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Robert M Grable Jr Mount Sinai High School and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of New York by year, with the latest 2020-21 school year data.
Student : Teacher Ratio
12:1
11:1
This chart display the student teacher ratio of Robert M Grable Jr Mount Sinai High School and the public school average student teacher ratio of New York by year, with the latest 2021-22 school year data.
American Indian
n/a
1%
Asian
8%
10%
This chart display the percentage of Asian students in Robert M Grable Jr Mount Sinai High School and the percentage of Asian public school students in New York by year, with the latest 2021-22 school year data.
Hispanic
9%
29%
This chart display the percentage of Hispanic students in Robert M Grable Jr Mount Sinai High School and the percentage of Hispanic public school students in New York by year, with the latest 2021-22 school year data.
Black
1%
16%
This chart display the percentage of Black students in Robert M Grable Jr Mount Sinai High School and the percentage of Black public school students in New York by year, with the latest 2021-22 school year data.
White
81%
41%
This chart display the percentage of White students in Robert M Grable Jr Mount Sinai High School and the percentage of White public school students in New York by year, with the latest 2021-22 school year data.
Hawaiian
n/a
n/a
Two or more races
1%
3%
This chart display the percentage of students of two or more races in Robert M Grable Jr Mount Sinai High School and the percentage of public school students of two or more races in New York by year, with the latest 2021-22 school year data.
All Ethnic Groups
This chart display the percentage breakdown of students of all ethnic groups in Robert M Grable Jr Mount Sinai High School.
This chart display the percentage breakdown of public school students of all ethnic groups in NY.
0.33
This chart display the diversity score of Robert M Grable Jr Mount Sinai High School and the public school average diversity score of New York by year, with the latest 2021-22 school year data.
≥95%
85%
This chart display graduation rate of Robert M Grable Jr Mount Sinai High School and public school graduation rate of New York by year, with the latest 2020-21 school year data.
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
10%
51%
This chart display the percentage of students who is eligible for free lunch in Robert M Grable Jr Mount Sinai High School and the percentage of public school students who is eligible for free lunch in New York by year, with the latest 2021-22 school year data.
Eligible for Reduced Lunch
1%
3%
This chart display the percentage of students who is eligible for reduced lunch in Robert M Grable Jr Mount Sinai High School and the percentage of public school students who is eligible for reduced lunch in New York by year, with the latest 2021-22 school year data.
Source: 2021-2022 (latest school year available) National Center for Education Statistics (NCES), NY Dept. of Education

Frequently Asked Questions

What is Robert M Grable Jr Mount Sinai High School's ranking?
Robert M Grable Jr Mount Sinai High School is ranked #792 out of 4,093 schools, which ranks it among the top 20% of public schools in New York.
What schools are Robert M Grable Jr Mount Sinai High School often compared to?
Robert M Grable Jr Mount Sinai High Schoolis often viewed alongside schools like Miller Place High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
≥95% of students have achieved math proficiency (compared to the 55% NY state average), while 65-69% of students have achieved reading proficiency (compared to the 62% NY state average).
What is the graduation rate of Robert M Grable Jr Mount Sinai High School?
The graduation rate of Robert M Grable Jr Mount Sinai High School is 95%, which is higher than the New York state average of 85%.
How many students attend Robert M Grable Jr Mount Sinai High School?
763 students attend Robert M Grable Jr Mount Sinai High School.
What is the racial composition of the student body?
81% of Robert M Grable Jr Mount Sinai High School students are White, 9% of students are Hispanic, 8% of students are Asian, 1% of students are Black, and 1% of students are Two or more races.
What is the student:teacher ratio of Robert M Grable Jr Mount Sinai High School?
Robert M Grable Jr Mount Sinai High School has a student ration of 12:1, which is higher than the New York state average of 11:1.
What grades does Robert M Grable Jr Mount Sinai High School offer ?
Robert M Grable Jr Mount Sinai High School offers enrollment in grades 9-12 (offers virtual instruction).
What school district is Robert M Grable Jr Mount Sinai High School part of?
Robert M Grable Jr Mount Sinai High School is part of Mount Sinai Union Free School District.

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Quick Stats (2024)

  • Grades: 9-12
  • Enrollment: 763 students
  • Student:Teacher Ratio: 12:1
  • Minority Enrollment: 19%
  • : ≥95% (Top 10%)
  • : Top 20%
  • : ≥95% (Top 5%)
  • : 65-69% (Top 50%)
  • Source: National Center for Education Statistics (NCES), NY Dept. of Education

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