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SCHOOL COMMUNITY·MOUNT SINAI UNION FREE SCHOOL DISTRICT·NCES 362004001829

MOUNT SINAI ELEMENTARY SCHOOL

118 N COUNTRY RD, MOUNT SINAI, NY 11766 · (631) 870-2600 · Suffolk County
GRADES KG–04ELEMENTARY21-SUBURBREGULAR SCHOOL657 STUDENTS
A-
allk12 Grade
Scored higher than 76% of New York public elementary schools
  • A-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • BBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • ·Three-year trend Not available for this school, so the grade uses the other parts.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded New York public elementary schools

Enrollment
657
Elementary
DISTRICT 661 · STATE 443
Student : Teacher
12.4:1
53 FTE teachers
DISTRICT 11.6:1 · STATE 12.8:1
Free / Reduced Lunch
16%
103 students
DISTRICT 13% · STATE 58%
Community
1
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Kindergarten11618%
Grade 115123%
Grade 211417%
Grade 314422%
Grade 413120%
Ungraded10%

This year's kindergarten class (116) is 11% smaller than its 4th grade class (131).

Student demographics
44%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 42% · STATE 72% · US 70%
White
47372%
DISTRICT 75% · STATE 39% · US 43%
Hispanic
12319%
DISTRICT 15% · STATE 31% · US 30%
Black
122%
DISTRICT 1% · STATE 16% · US 15%
Asian
365%
DISTRICT 7% · STATE 10% · US 6%
Two+
122%
DISTRICT 2% · STATE 4% · US 5%
Pacific Islander
10%
DISTRICT 0% · STATE 0% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
32650%
Female
33150%

School pathway

Students here typically continue to
MOUNT SINAI ELEMENTARY SCHOOL→MOUNT SINAI MIDDLE SCHOOL→ROBERT M GRABLE JR MOUNT SINAI HIGH SCHOOL
Based on grade levels within MOUNT SINAI UNION FREE SCHOOL DISTRICT. Attendance zones can vary; confirm enrollment with the district.

Discussions

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Test scores

NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)
English Language Arts
63.0%
NY avg 58.3% . -3.0pp since 2023
Math
74.0%
NY avg 57.4% . -6.0pp since 2023

What this means: On the NYS Assessments, New York's statewide test, about 63 of every 100 students at this school read and write at grade level and about 74 of 100 do math at grade level. Across all New York schools, those numbers are about 58 and 57. Reading and writing scores are down about 3 points since 2023, while math scores are down about 6 points.

NYS Assessments results by year

School yearEnglish Language ArtsMath
2024-2563.0%74.0%
2023-2466.0%80.0%
% Proficient (Level 3 + Level 4), all students and all tested grades.
Source: NYS Assessments. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
70.9%
composite math + reading, all grades
Predicted
69.2%
based on NY schools with similar FRL share
Beats by
+1.6pp
above demographic expectation

What this means: About 71% of students here test proficient in math and reading, compared with the roughly 69% typical for New York schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among New York's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Schools most like MOUNT SINAI ELEMENTARY SCHOOL

MOUNT SINAI ELEMENTARY SCHOOL's state test result (70.9% proficient) is higher than 4 of the 4 schools below with a result.

SchoolStudentsLow-incomeProficient
MOUNT SINAI ELEMENTARY SCHOOL this school65715.7%70.9%
WASHINGTON DRIVE PRIMARY SCHOOL
CENTERPORT
62115.5%N/A
THOMAS J LAHEY ELEMENTARY SCHOOL
GREENLAWN
60216.9%66.2%
EAST BROADWAY SCHOOL
SEAFORD
66215.4%55.5%
CARRIE E TOMPKINS SCHOOL
CROTON ON HUDSON
58514.5%68.6%
NORTHPORT MIDDLE SCHOOL
NORTHPORT
69414.3%67.8%
Matched among New York elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where MOUNT SINAI ELEMENTARY SCHOOL ranks

Among elementary schools
MeasureThis schoolIn New YorkIn Suffolk County
State test proficiency
ranked highest first
70.9%#369 of 2,335#11 of 168
Math proficiency
ranked highest first
74.0%#568 of 2,342
▼ 264
#22 of 169
▼ 12
Reading proficiency
ranked highest first
63.0%#813 of 2,343
▼ 462
#46 of 169
▼ 36
Enrollment
ranked largest first
657#349 of 2,585#28 of 209
Students per teacher
ranked fewest first
12.4:1#1,433 of 2,338#126 of 196
Diversity index
ranked most diverse first
44.3%#1,458 of 2,388#132 of 197
Free and reduced lunch
ranked highest share first
15.7%#2,329 of 2,534#162 of 200
Enrollment change since 2017-18
ranked steepest decline first
-10.1%#1,137 of 1,757#73 of 137
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
657
+3 (+0%) vs 2020
-27% since 1990-91, when it was 904
Student : Teacher
12.4:1
was 10.9:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2565752.812.4:116% (103)
2023-2465448.213.6:113% (87)
2022-2365950.513.1:112% (80)
2020-216546010.9:110% (66)
2017-187314715.6:19% (64)
2015-167664915.6:16% (45)
2010-119165616.4:12% (21)
2000-019445517.2:12% (19)
1990-919046114.8:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for MOUNT SINAI ELEMENTARY SCHOOL.

About MOUNT SINAI ELEMENTARY SCHOOL

MOUNT SINAI ELEMENTARY SCHOOL is a medium-sized elementary school based in MOUNT SINAI, New York. The student body numbers 657 students, from kindergarten through 4. An average school in this group (elementary schools in New York) has about 443 students.

MOUNT SINAI UNION FREE SCHOOL DISTRICT is the district for MOUNT SINAI ELEMENTARY SCHOOL. It has 3 schools and 1,984 students.

By race and ethnicity, MOUNT SINAI ELEMENTARY SCHOOL is 72% White. After that, the student body is 19% Hispanic and 5% Asian. The chance that two students picked at random at MOUNT SINAI ELEMENTARY SCHOOL belong to different racial or ethnic groups, known as the diversity index, is 44%.

The school employs the equivalent of 52.8 full-time teachers, for a ratio of 12.4:1. Elementary schools in New York have a similar average ratio of 12.8:1. The free or reduced-price lunch rate at MOUNT SINAI ELEMENTARY SCHOOL is 16%. Public schools in Suffolk County average 39%.

The allk12 Grade for MOUNT SINAI ELEMENTARY SCHOOL is A-. Compared with New York public elementary schools, the school scored higher than 76% on a mix of test scores, poverty-adjusted results, and recent trend.

A school with MOUNT SINAI ELEMENTARY SCHOOL's lunch-eligibility share in New York is predicted to score 69.2%. MOUNT SINAI ELEMENTARY SCHOOL scores 70.9%, 1.6 points above that line.

Across Suffolk County, median household income is about $130,686, about 40% of adults have at least a bachelor's degree, and the poverty rate is about 4%. MOUNT SINAI ELEMENTARY SCHOOL is among the 343 public schools in Suffolk County.

MOUNT SINAI MIDDLE SCHOOL is the public school closest to MOUNT SINAI ELEMENTARY SCHOOL, about 0.2 miles away. MOUNT SINAI ELEMENTARY SCHOOL has at least 8 other public schools within five miles. Nearby schools average 64.5% on proficiency, and MOUNT SINAI ELEMENTARY SCHOOL is above that at 70.9%.

NCES describes the area around MOUNT SINAI ELEMENTARY SCHOOL as Suburb: Large, meaning in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

Compared with 2020-21, when it had 654 students, enrollment in 2024-25 was about the same at 657. In 2020-21, the student-to-teacher ratio was 10.9:1; by 2024-25 it was 12.4:1.

Discussions about MOUNT SINAI ELEMENTARY SCHOOL may include school safety, transportation, and start times. Alumni can share how the school prepared them.

Suffolk County at a glance

View full county profile
Population
1,530,146
Census ACS
Median income
$130,686
Household, ACS
Bachelor's+
40%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
343
222,439 students

Quick facts

School name
MOUNT SINAI ELEMENTARY SCHOOL
District
MOUNT SINAI UNION FREE SCHOOL DISTRICT
Address
118 N COUNTRY RD, MOUNT SINAI, NY 11766
Phone
(631) 870-2600
County
Suffolk County
Level
Elementary
Grade range
KG–04
Total enrollment
657
Teachers (FTE)
53
Student–teacher ratio
12.4:1
Free and reduced lunch
103 (16%)
Locale
21-Suburb: Large
NCES ID
362004001829
Charter school
No
Virtual school
No

Related schools

Other schools in MOUNT SINAI UNION FREE SCHOOL DISTRICT
Other schools in MOUNT SINAI
Nearby schools

Frequently asked questions

About MOUNT SINAI ELEMENTARY SCHOOL
How many students attend MOUNT SINAI ELEMENTARY SCHOOL?
MOUNT SINAI ELEMENTARY SCHOOL enrolls approximately 657 students in grades KG-04.
What grades does MOUNT SINAI ELEMENTARY SCHOOL serve?
MOUNT SINAI ELEMENTARY SCHOOL serves grades KG-04.
How many students per teacher at MOUNT SINAI ELEMENTARY SCHOOL?
Approximately 12.4:1 students per teacher at MOUNT SINAI ELEMENTARY SCHOOL.
How diverse is MOUNT SINAI ELEMENTARY SCHOOL?
MOUNT SINAI ELEMENTARY SCHOOL reports a student body of 72% White, 19% Hispanic, 2% Black, 5% Asian, 2% Two or more.
Is MOUNT SINAI ELEMENTARY SCHOOL public or private?
MOUNT SINAI ELEMENTARY SCHOOL is a public K-12 school, overseen by MOUNT SINAI UNION FREE SCHOOL DISTRICT.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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