1
What's the vibe like in the hallways at MOUNT SINAI MIDDLE SCHOOL right now?
Community prompt from u/allk12. Replies below.
Enrollment
617
Middle
DISTRICT 661 · STATE 531
SCHOOL COMMUNITY·MOUNT SINAI UNION FREE SCHOOL DISTRICT·NCES 362004004304
MOUNT SINAI MIDDLE SCHOOL
114 N COUNTRY RD, MOUNT SINAI, NY 11766 · (631) 870-2700 · Suffolk County
GRADES 05–08MIDDLE21-SUBURBREGULAR SCHOOL617 STUDENTS
C+
allk12 Grade
Scored higher than 43% of New York public middle schools
- BTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- C-Beats 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 middle schools
Student : Teacher
11.3:1
55 FTE teachers
DISTRICT 11.6:1 · STATE 10.3:1
Free / Reduced Lunch
12%
76 students
DISTRICT 13% · STATE 58%
Community
1
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 5 | 133 | 22% |
| Grade 6 | 169 | 27% |
| Grade 7 | 146 | 24% |
| Grade 8 | 168 | 27% |
| Ungraded | 1 | 0% |
Student demographics
37%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 42% · STATE 72% · US 70%
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
School pathway
Students here typically continue to
MOUNT SINAI MIDDLE SCHOOL→ROBERT M GRABLE JR MOUNT SINAI HIGH SCHOOL
Feeds from
Based on grade levels within MOUNT SINAI UNION FREE SCHOOL DISTRICT. Attendance zones can vary; confirm enrollment with the district.
Test scores
NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)English Language Arts
62.0%
NY avg 58.3% . +19.0pp since 2023
Math
71.2%
NY avg 57.4% . +4.1pp since 2023
What this means: On the NYS Assessments, New York's statewide test, about 62 of every 100 students at this school read and write at grade level and about 71 of 100 do math at grade level. Across all New York schools, those numbers are about 58 and 57. Reading and writing scores are up about 19 points since 2023, while math scores are up about 4 points.
NYS Assessments results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 62.0% | 71.2% |
| 2023-24 | 43.0% | 67.1% |
% 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 · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
59.2%
composite math + reading, all grades
Predicted
70.5%
based on NY schools with similar FRL share
Beats by
-11.3pp
below demographic expectation
What this means: About 59% of students here test proficient in math and reading, compared with the roughly 70% 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 MIDDLE SCHOOL
MOUNT SINAI MIDDLE SCHOOL's state test result (59.2% proficient) is higher than 0 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| MOUNT SINAI MIDDLE SCHOOL this school | 617 | 12.3% | 59.2% |
| WANTAGH MIDDLE SCHOOL WANTAGH | 645 | 12.2% | 68.5% |
| WILLIAM T ROGERS MIDDLE SCHOOL KINGS PARK | 588 | 14.8% | 70.9% |
| PLAINEDGE MIDDLE SCHOOL BETHPAGE | 661 | 12.4% | 64.2% |
| EAST NORTHPORT MIDDLE SCHOOL EAST NORTHPORT | 633 | 15.2% | 69.0% |
| JOHN JAY MIDDLE SCHOOL CROSS RIVER | 630 | 8.7% | 77.6% |
Matched among New York middle 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 MIDDLE SCHOOL ranks
Among middle schools| Measure | This school | In New York | In Suffolk County |
|---|---|---|---|
| State test proficiency ranked highest first | 59.2% | #272 of 766 | #25 of 66 |
| Math proficiency ranked highest first | 71.2% | #263 of 768 ▲ 28 | #31 of 66 ▲ 9 |
| Reading proficiency ranked highest first | 62.0% | #189 of 768 ▲ 200 | #14 of 66 ▲ 9 |
| Enrollment ranked largest first | 617 | #263 of 796 | #37 of 66 |
| Students per teacher ranked fewest first | 11.3:1 | #474 of 683 | #50 of 66 |
| Diversity index ranked most diverse first | 36.7% | #493 of 688 | #56 of 66 |
| Free and reduced lunch ranked highest share first | 12.3% | #747 of 773 | #63 of 66 |
| Enrollment change since 2017-18 ranked steepest decline first | -18.0% | #168 of 524 | #14 of 59 |
Ranked against other public middle 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 2024-25Enrollment
617
-58 (-9%) vs 2020
-30% since 1990-91, when it was 881
Student : Teacher
11.3:1
was 9.5:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 617 | 54.8 | 11.3:1 | 12% (76) |
| 2023-24 | 694 | 61.9 | 11.2:1 | 11% (78) |
| 2022-23 | 667 | 60.7 | 11.0:1 | 11% (71) |
| 2020-21 | 675 | 71 | 9.5:1 | 9% (59) |
| 2017-18 | 752 | 56 | 13.4:1 | 9% (68) |
| 2015-16 | 771 | 58 | 13.3:1 | 6% (50) |
| 2010-11 | 809 | 56 | 14.4:1 | 4% (31) |
| 2000-01 | 776 | 53 | 14.6:1 | 4% (28) |
| 1990-91 | 881 | 70 | 12.6:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for MOUNT SINAI MIDDLE SCHOOL.
About MOUNT SINAI MIDDLE SCHOOL
A mid-sized middle-grades school in MOUNT SINAI, New York, MOUNT SINAI MIDDLE SCHOOL is part of MOUNT SINAI UNION FREE SCHOOL DISTRICT. It teaches 617 students in grades 5 through 8.
MOUNT SINAI UNION FREE SCHOOL DISTRICT has 1,984 students in 3 schools, and MOUNT SINAI MIDDLE SCHOOL is one of those schools.
Federal enrollment data show MOUNT SINAI MIDDLE SCHOOL is 78% White. Other groups make up 12% Hispanic and 6% Asian. Suffolk County as a whole is about 66% White, so the school's share is higher. On a 0 to 100 scale, the school's diversity index is 37, compared with 70 nationally.
MOUNT SINAI MIDDLE SCHOOL reported 54.8 full-time-equivalent teachers in 2024-25, a ratio of 11.3:1. Middle schools in New York have an average ratio of 10.3:1. Roughly 12% of students at MOUNT SINAI MIDDLE SCHOOL can receive free or reduced-price lunch. Public schools in Suffolk County average 39%.
Among New York public middle schools, MOUNT SINAI MIDDLE SCHOOL outscored 43%, which works out to a C+ on the allk12 Grade.
On a poverty-adjusted basis, MOUNT SINAI MIDDLE SCHOOL falls in the middle 80% of New York schools: 59.2% actual against 70.5% predicted.
The county, Suffolk County, is where the school is located. The median household earns about $130,686 a year, 40% of adults hold a bachelor's degree or higher, and about 4% of people live in poverty. Suffolk County has 343 public schools with about 222,439 students, including MOUNT SINAI MIDDLE SCHOOL.
Among nearby public schools, MOUNT SINAI ELEMENTARY SCHOOL is closest at about 0.2 miles. Other public schools within five miles number at least 8. The nearest schools with test data average 66.0%, higher than MOUNT SINAI MIDDLE SCHOOL's 59.2%.
MOUNT SINAI MIDDLE SCHOOL falls in the Suburb: Large locale category, used for schools in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
From 2020-21 to 2024-25, enrollment decreased from 675 to 617, a 9% decline. In 2020-21, the student-to-teacher ratio was 9.5:1; by 2024-25 it was 11.3:1.
MOUNT SINAI MIDDLE SCHOOL has a community page on allk12 for topics such as special education services, counseling, and support programs. You can also rate the school on this page.
Suffolk County at a glance
View full county profilePopulation
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
Related schools
Other schools in MOUNT SINAI UNION FREE SCHOOL DISTRICT
- ROBERT M GRABLE JR MOUNT SINAI HIGH SCHOOLHigh · 710 students
- MOUNT SINAI ELEMENTARY SCHOOLElementary · 657 students
Other schools in MOUNT SINAI
- ROBERT M GRABLE JR MOUNT SINAI HIGH SCHOOLHigh · 710 students
- MOUNT SINAI ELEMENTARY SCHOOLElementary · 657 students
Nearby schools
- MOUNT SINAI ELEMENTARY SCHOOL0.2 mi · 657
- ROBERT M GRABLE JR MOUNT SINAI HIGH SCHOOL0.2 mi · 710
- MILLER PLACE HIGH SCHOOL1.7 mi · 764
- PORT JEFFERSON ELEMENTARY SCHOOL1.8 mi · 370
- NORTH COUNTRY ROAD SCHOOL2.1 mi · 530
- JOHN F KENNEDY MIDDLE SCHOOL2.1 mi · 814
Frequently asked questions
About MOUNT SINAI MIDDLE SCHOOLHow many students attend MOUNT SINAI MIDDLE SCHOOL?
MOUNT SINAI MIDDLE SCHOOL enrolls approximately 617 students in grades 05-08.
What age range does MOUNT SINAI MIDDLE SCHOOL serve?
MOUNT SINAI MIDDLE SCHOOL serves students from grade 05 through grade 08.
What is the student-teacher ratio at MOUNT SINAI MIDDLE SCHOOL?
The student-to-teacher ratio at MOUNT SINAI MIDDLE SCHOOL is approximately 11.3:1 (55 FTE teachers).
What is the student diversity at MOUNT SINAI MIDDLE SCHOOL?
Student demographics at MOUNT SINAI MIDDLE SCHOOL are roughly 78% White, 12% Hispanic, 1% Black, 6% Asian, 2% Two or more.
What district is MOUNT SINAI MIDDLE SCHOOL in?
MOUNT SINAI MIDDLE SCHOOL is part of MOUNT SINAI UNION FREE SCHOOL DISTRICT.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.