Average
#3154 of 4,739 schools in NY
Mount Sinai Middle School
Middle School · MOUNT SINAI UNION FREE SCHOOL DISTRICT
PO BOX 397, Mount Sinai, NY 11766
Enrollment
694
Student-Teacher
11.4:1
Score
5.7
Grades
5th – 8th
Enrollment
694
Student-Teacher
11.4:1
Score
5.7
Grades
5th – 8th
Updated
2022-23
Updated 2022-23
How this school compares
In Mount Sinai
#3 of 3
public schools
New York middle schools
#425 of 785
In district
#3 of 3
MOUNT SINAI UNION FREE SCHOOL DISTRICT
School environment
7.5 / 10
Very strong
About Mount Sinai Middle School
Mount Sinai Middle School is a regular public school located in Mount Sinai, New York, in Suffolk County. The school serves students from fifth through eighth grade with an enrollment of 694 students and maintains a student-teacher ratio of 11.4:1, ensuring each student receives individual attention. With 61 full-time equivalent teachers, the school offers a supportive learning environment.
Mount Sinai Middle School's academic performance is rated at 5.2 out of 10 by MySchoolScout.com, placing it in the 44th percentile among New York schools. The ELA/reading proficiency rate stands at 55% and math proficiency at 57%, indicating areas for improvement but also potential for growth. The school is situated in a large suburban area, providing students with a typical middle-class community setting.
While academic scores suggest there is room for improvement, Mount Sinai Middle School remains committed to fostering student development and success within the local community.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Mount Sinai Middle School — Students at Mount Sinai Middle School score 56% proficient, which is below what's typical for similar communities (expected: 72%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
11.2%
Students qualifying for federal meal assistance
Test Scores NY NYSED (2020-21)
Based on 12 test records from NY state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 4.6/10.
How Mount Sinai Middle School Compares
See how Mount Sinai Middle School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 70% (2019) to 59% (2021). Reading/ELA proficiency has remained stable from 55% (2019) to 53% (2021).
Location
PO BOX 397, Mount Sinai, NY 11766
Nearby Alternatives
Families considering Mount Sinai Middle School may also want to explore other middle schools in the area. PORT JEFFERSON MIDDLE SCHOOL (rated 8.0/10, 2.5 miles away, in nearby Port Jefferson), which scores notably higher. Another option is NORTH COUNTRY ROAD SCHOOL (rated 6.7/10, 2.1 miles away, in nearby Miller Place), which scores slightly higher. Additionally, JOHN F KENNEDY MIDDLE SCHOOL (rated 4.7/10, 2.1 miles away, in nearby Port Jefferson Station), with a comparable rating. For more schools in Mount Sinai, see our Mount Sinai schools guide .
Nearby Schools
20 within 4.3 mi| School | Distance | Rating |
|---|---|---|
| MOUNT SINAI ELEMENTARY SCHOOL Mount Sinai | 0.2 mi | 8.4 |
| ROBERT M GRABLE JR MOUNT SINAI HIGH SCHOOL Mount Sinai | 0.2 mi | 7.0 |
| MILLER PLACE HIGH SCHOOL Miller Place | 1.7 mi | 7.3 |
| COMSEWOGUE HIGH SCHOOL Port Jefferson Station | 2.2 mi | 6.6 |
| PORT JEFFERSON ELEMENTARY SCHOOL Port Jefferson | 1.8 mi | 6.3 |
| JOHN F KENNEDY MIDDLE SCHOOL Port Jefferson Station | 2.1 mi | 4.7 |
| NORTH COUNTRY ROAD SCHOOL Miller Place | 2.1 mi | 6.7 |
| CLINTON AVENUE SCHOOL Port Jefferson Station | 2.5 mi | 5.3 |
| SOUND BEACH SCHOOL Miller Place | 2.2 mi | 7.7 |
| ANDREW MULLER PRIMARY SCHOOL Miller Place | 2.3 mi | 7.1 |
| TERRYVILLE ROAD SCHOOL Port Jefferson Station | 2.5 mi | 7.2 |
| EARL L VANDERMEULEN HIGH SCHOOL Port Jefferson | 2.5 mi | 8.6 |
| PORT JEFFERSON MIDDLE SCHOOL Port Jefferson | 2.5 mi | 8.0 |
| NORWOOD AVENUE SCHOOL Port Jefferson Station | 2.9 mi | 6.7 |
| BOYLE ROAD ELEMENTARY SCHOOL Port Jefferson Station | 3.3 mi | 8.3 |
| ARROWHEAD ELEMENTARY SCHOOL East Setauket | 3.3 mi | 8.6 |
| WARD MELVILLE SENIOR HIGH SCHOOL East Setauket | 3.2 mi | 8.7 |
| STAGECOACH SCHOOL Selden | 4.2 mi | 7.8 |
| WEST MIDDLE ISLAND SCHOOL Middle Island | 4.0 mi | 4.1 |
| HAWKINS PATH SCHOOL Selden | 4.3 mi | 8.0 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 11766 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$157,564
Median Home Value
$632,900
Median Rent
$3,183/mo
Population
11,481
College Educated
51.3%
Homeownership
96.9%
Avg Commute
34.3 min
Poverty Rate
1.9%
Median Age
47.7
Community Profile
The community surrounding Mount Sinai Middle School has a median household income of $157,564. It is a well-educated community where 51% of adults hold a bachelor's degree or higher. The median home value in the area is $632,900, with a median rent of $3,183/month. The local poverty rate of 1.9% is relatively low. The average commute for residents is 34 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| A D OLIVER MIDDLE SCHOOL Brockport, NY | 5.7 |
| EMMA E SHERMAN ELEMENTARY SCHOOL Henrietta, NY | 5.7 |
| HENRY V BURGER JUNIOR HIGH SCHOOL West Henrietta, NY | 5.7 |
| ISLAND TREES MIDDLE SCHOOL Levittown, NY | 5.7 |
| JHS 123 JAMES M KIERNAN Bronx, NY | 5.7 |
| LEWISTON PORTER MIDDLE SCHOOL Youngstown, NY | 5.7 |
Frequently Asked Questions
Common questions about Mount Sinai Middle School
What grades does Mount Sinai Middle School serve?
Mount Sinai Middle School serves students in grades 5th through 8th.
How many students attend Mount Sinai Middle School?
Mount Sinai Middle School has an enrollment of approximately 694 students.
What is the student-teacher ratio at Mount Sinai Middle School?
The student-teacher ratio at Mount Sinai Middle School is 11.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Mount Sinai Middle School rank in NY?
Mount Sinai Middle School is ranked #3154 out of 4,739 schools in NY.
What is Mount Sinai Middle School's MySchoolScout rating?
Mount Sinai Middle School has a composite rating of 5.7 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Mount Sinai Middle School?
Based on the most recent state assessment data, Mount Sinai Middle School has 57.3% math proficiency and 55.0% reading/ELA proficiency.
Is Mount Sinai Middle School a charter school?
No, Mount Sinai Middle School is not a charter school. It is a traditional public school operated by the local school district.
Is Mount Sinai Middle School a Title I school?
No, Mount Sinai Middle School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Mount Sinai Middle School?
11.2% of students at Mount Sinai Middle School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
- County Safety
- Low (3/100K)
FBI UCR 2024. County-level only. Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 5th – 8th
- Enrollment
- 694
- Student-Teacher Ratio
- 11.4:1
- Teachers (FTE)
- 61
- Free/Reduced Lunch
- 11.2%
- Type
- regular
- Setting
- Large Suburb
- County
- Suffolk County
- Phone
- (631) 870-2700
- Data Year
- 2023–2024
Resources & Links
District
MOUNT SINAI UNION FREE SCHOOL DISTRICT- District Enrollment
- 2,074
- Schools in District
- 3
- Per-Pupil Spending
- $29,270
- District Rank
- #3 of 3
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
- Best Public Schools in New York 2026: Top Districts from NYC to the Suburbsbest schools
- Best Schools in New York, NY — 2026 Rankingsbest schools
- Best States for Public Schools in 2026: A Complete Rankingdata insights
- Charter Schools vs Public Schools: What the Data Actually Shows (2026)school choice
- Student-Teacher Ratio by State: Complete 2026 Rankingsdata insights
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