Excellent
#327 of 4,739 schools in NY
Top 7% in state
Mount Sinai Elementary School
Elementary School · MOUNT SINAI UNION FREE SCHOOL DISTRICT
PO BOX 397, Mount Sinai, NY 11766
Enrollment
654
Student-Teacher
13.6:1
Score
8.4
Grades
Kindergarten – 4th
Enrollment
654
Student-Teacher
13.6:1
Score
8.4
Grades
Kindergarten – 4th
Updated
2022-23
Updated 2022-23
How this school compares
In Mount Sinai
#1 of 3
public schools
New York elementary schools
#221 of 2,549
In district
#1 of 3
MOUNT SINAI UNION FREE SCHOOL DISTRICT
Academic growth
9.8 / 10
Exceptional
About Mount Sinai Elementary School
Mount Sinai Elementary School serves 654 students in kindergarten through fourth grade in Mount Sinai, New York. With a composite score of 9.1 out of 10, it ranks 44th among 4,742 public schools statewide — outperforming 99% of New York schools. That places it first among the three public schools in Mount Sinai itself.
The scores behind that standing are strong across categories. Academic performance earns a 7.8 out of 10. Growth is where Mount Sinai Elementary pulls ahead — a 9.8 out of 10 growth score puts it 33rd among New York's 2,552 elementary schools, signaling that students here are gaining ground fast relative to their starting points.
The school runs at a 13.6-to-1 student-teacher ratio, which supports the individualized instruction that drives those numbers. Mount Sinai Elementary is a regular public school — no selective admissions, no application required. For families in the district, the Exceptional composite rating reflects real outcomes: high academic performance combined with extraordinary student growth.
Parents who prioritize documented progress will find this school's record difficult to match anywhere in the state.
Score Breakdown
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Mount Sinai Elementary School — Students at Mount Sinai Elementary School score 74% proficient, which is above what's typical for similar communities (expected: 71%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
13.3%
Students qualifying for federal meal assistance
Test Scores NY NYSED (2020-21)
Based on 8 test records from NY state assessments. About our data
Proficiency Trend
↑ ImprovingAverage 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: 9.8/10.
How Mount Sinai Elementary School Compares
See how Mount Sinai Elementary School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has improved from 47% (2019) to 67% (2021). Reading/ELA proficiency has improved from 62% (2019) to 82% (2021).
Location
PO BOX 397, Mount Sinai, NY 11766
Nearby Alternatives
Families considering Mount Sinai Elementary School may also want to explore other elementary schools in the area. ARROWHEAD ELEMENTARY SCHOOL (rated 8.6/10, 3.3 miles away, in nearby East Setauket), with a very similar rating. Another option is BOYLE ROAD ELEMENTARY SCHOOL (rated 8.3/10, 3.3 miles away, in nearby Port Jefferson Station), with a very similar rating. Additionally, HAWKINS PATH SCHOOL (rated 8.0/10, 4.2 miles away, in nearby Selden), with a comparable rating. For more schools in Mount Sinai, see our Mount Sinai schools guide .
Nearby Schools
20 within 4.2 mi| School | Distance | Rating |
|---|---|---|
| MOUNT SINAI MIDDLE SCHOOL Mount Sinai | 0.2 mi | 5.7 |
| ROBERT M GRABLE JR MOUNT SINAI HIGH SCHOOL Mount Sinai | 0.4 mi | 7.0 |
| MILLER PLACE HIGH SCHOOL Miller Place | 1.6 mi | 7.3 |
| COMSEWOGUE HIGH SCHOOL Port Jefferson Station | 2.1 mi | 6.6 |
| JOHN F KENNEDY MIDDLE SCHOOL Port Jefferson Station | 2.1 mi | 4.7 |
| NORTH COUNTRY ROAD SCHOOL Miller Place | 2.1 mi | 6.7 |
| PORT JEFFERSON ELEMENTARY SCHOOL Port Jefferson | 1.9 mi | 6.3 |
| 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 | 2.4 mi | 7.1 |
| TERRYVILLE ROAD SCHOOL Port Jefferson Station | 2.5 mi | 7.2 |
| EARL L VANDERMEULEN HIGH SCHOOL Port Jefferson | 2.6 mi | 8.6 |
| PORT JEFFERSON MIDDLE SCHOOL Port Jefferson | 2.6 mi | 8.0 |
| BOYLE ROAD ELEMENTARY SCHOOL Port Jefferson Station | 3.3 mi | 8.3 |
| NORWOOD AVENUE SCHOOL Port Jefferson Station | 2.9 mi | 6.7 |
| 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 | 4.0 mi | 7.8 |
| WEST MIDDLE ISLAND SCHOOL Middle Island | 3.8 mi | 4.1 |
| HAWKINS PATH SCHOOL Selden | 4.2 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 Elementary 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 |
|---|---|
| CARYL E ADAMS PRIMARY SCHOOL Whitney Point, NY | 8.4 |
| CAYUGA SCHOOL Lake Grove, NY | 8.4 |
| GARDINERS AVENUE SCHOOL Levittown, NY | 8.4 |
| GEORGE M DAVIS ELEMENTARY SCHOOL New Rochelle, NY | 8.4 |
| LYNWOOD AVENUE SCHOOL Farmingville, NY | 8.4 |
| NORWOOD AVENUE SCHOOL Northport, NY | 8.4 |
Frequently Asked Questions
Common questions about Mount Sinai Elementary School
What grades does Mount Sinai Elementary School serve?
Mount Sinai Elementary School serves students in grades Kindergarten through 4th.
How many students attend Mount Sinai Elementary School?
Mount Sinai Elementary School has an enrollment of approximately 654 students.
What is the student-teacher ratio at Mount Sinai Elementary School?
The student-teacher ratio at Mount Sinai Elementary School is 13.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Mount Sinai Elementary School rank in NY?
Mount Sinai Elementary School is ranked #327 out of 4,739 schools in NY.
What is Mount Sinai Elementary School's MySchoolScout rating?
Mount Sinai Elementary School has a composite rating of 8.4 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 Elementary School?
Based on the most recent state assessment data, Mount Sinai Elementary School has 62.0% math proficiency and 77.3% reading/ELA proficiency.
Is Mount Sinai Elementary School a charter school?
No, Mount Sinai Elementary School is not a charter school. It is a traditional public school operated by the local school district.
Is Mount Sinai Elementary School a Title I school?
No, Mount Sinai Elementary School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Mount Sinai Elementary School?
13.3% of students at Mount Sinai Elementary 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
Powered by 
FBI UCR 2024. County-level only. Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 4th
- Enrollment
- 654
- Student-Teacher Ratio
- 13.6:1
- Teachers (FTE)
- 48
- Free/Reduced Lunch
- 13.3%
- Type
- regular
- Setting
- Large Suburb
- County
- Suffolk County
- Phone
- (631) 870-2600
- 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
- #1 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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