Enrollment
183
Combined
STATE 544
SCHOOL COMMUNITY·SHELTER ISLAND UNION FREE SCHOOL DISTRICT·NCES 362664003632
SHELTER ISLAND SCHOOL
33 N FERRY RD, SHELTER ISLAND, NY 11964 · (631) 749-0302 · Suffolk County
GRADES PK–12COMBINED41-RURALREGULAR SCHOOL183 STUDENTS
B-
allk12 Grade
Scored higher than 50% of New York public K-12 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 K-12 schools
Student : Teacher
5.1:1
36 FTE teachers
STATE 8.7:1
Free / Reduced Lunch
33%
60 students
STATE 58%
Community
0
0 members
Enrollment and student:teacher ratio compared against other combined schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Pre-K | 18 | 10% |
| Kindergarten | 14 | 8% |
| Grade 1 | 15 | 8% |
| Grade 2 | 9 | 5% |
| Grade 3 | 11 | 6% |
| Grade 4 | 11 | 6% |
| Grade 5 | 17 | 9% |
| Grade 6 | 13 | 7% |
| Grade 7 | 5 | 3% |
| Grade 8 | 13 | 7% |
| Grade 9 | 15 | 8% |
| Grade 10 | 13 | 7% |
| Grade 11 | 18 | 10% |
| Grade 12 | 11 | 6% |
This year's kindergarten class (14) is 8% larger than its 8th grade class (13).
Student demographics
49%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
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
Test scores
NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)English Language Arts
63.1%
NY avg 58.3% . -27.9pp since 2023
Math
55.2%
NY avg 57.4% . -0.5pp 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 55 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 28 points since 2023, while math scores have held steady.
NYS Assessments results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 63.1% | 55.2% |
| 2023-24 | 91.0% | 55.7% |
% 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
56.9%
composite math + reading, all grades
Predicted
62.9%
based on NY schools with similar FRL share
Beats by
-6.1pp
below demographic expectation
What this means: About 57% of students here test proficient in math and reading, compared with the roughly 63% 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 SHELTER ISLAND SCHOOL
SHELTER ISLAND SCHOOL's state test result (56.9% proficient) is higher than 1 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| SHELTER ISLAND SCHOOL this school | 183 | 32.8% | 56.9% |
| ROSCOE CENTRAL SCHOOL ROSCOE | 193 | 43.5% | 49.7% |
| DOWNSVILLE CENTRAL SCHOOL DOWNSVILLE | 219 | 34.2% | 61.0% |
| KEENE CENTRAL SCHOOL KEENE VALLEY | 170 | 28.2% | 78.8% |
| BOLTON CENTRAL SCHOOL BOLTON LANDING | 164 | 30.5% | 70.7% |
| BRIDGEHAMPTON SCHOOL BRIDGEHAMPTON | 185 | 36.8% | 60.3% |
Matched among New York K-12 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 SHELTER ISLAND SCHOOL ranks
Among K-12 schools| Measure | This school | In New York | In Suffolk County |
|---|---|---|---|
| State test proficiency ranked highest first | 56.9% | #37 of 101 | N/A |
| Math proficiency ranked highest first | 55.2% | #59 of 101 ▼ 3 | N/A |
| Reading proficiency ranked highest first | 63.1% | #27 of 101 ▼ 24 | N/A |
| Enrollment ranked largest first | 183 | #158 of 192 | #5 of 8 |
| Free and reduced lunch ranked highest share first | 32.8% | #124 of 136 | N/A |
| Enrollment change since 2017-18 ranked steepest decline first | -14.9% | #41 of 95 | N/A |
Ranked against other public K-12 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
183
-32 (-15%) vs 2020
-25% since 1990-91, when it was 243
Student : Teacher
5.1:1
was 6.1:1
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 | 183 | 36 | 5.1:1 | 33% (60) |
| 2023-24 | 193 | 37 | 5.2:1 | 35% (68) |
| 2022-23 | 174 | 34.5 | 5.0:1 | 34% (60) |
| 2020-21 | 215 | 35 | 6.1:1 | 35% (76) |
| 2017-18 | 215 | 34.2 | 6.3:1 | 31% (67) |
| 2015-16 | 223 | 32 | 7.0:1 | 23% (52) |
| 2010-11 | 248 | 29 | 8.6:1 | 14% (34) |
| 2000-01 | 269 | 30 | 9.0:1 | 9% (23) |
| 1990-91 | 243 | 32 | 7.6:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for SHELTER ISLAND SCHOOL.
About SHELTER ISLAND SCHOOL
SHELTER ISLAND SCHOOL is a very small school serving multiple grade levels with its address in SHELTER ISLAND, New York. The school serves pre-K through 12. Enrollment is 183 students. It has 66% fewer students than the average for combined schools in New York (about 544).
SHELTER ISLAND UNION FREE SCHOOL DISTRICT is responsible for SHELTER ISLAND SCHOOL.
The share of White students at SHELTER ISLAND SCHOOL is 65%, a majority. Smaller groups are 30% Hispanic, 2% Asian, and 2% multiracial. Census estimates put Suffolk County at about 66% White, close to the school's figure. On a 0 to 100 scale, the school's diversity index is 49, compared with 70 nationally.
SHELTER ISLAND SCHOOL has 36 full-time-equivalent teachers on staff and a student-to-teacher ratio of 5.1:1. By comparison, the average for combined schools in New York is 8.7:1. At SHELTER ISLAND SCHOOL, 33% of students qualify for free or reduced-price lunch in 2024-25.
SHELTER ISLAND SCHOOL earns a B- on the allk12 Grade, which blends test scores, results against poverty-based expectations, and the three-year trend. It scored higher than 50% of New York public K-12 schools.
The school's average proficiency rate across its state test results is 56.9%. For its free or reduced-price lunch share, the predicted value is 62.9%.
In Suffolk County, home to about 1,530,146 people, median household income comes to about $130,686, the share of adults with a bachelor's degree or higher is 40%, and roughly 4% of residents are in poverty. SHELTER ISLAND SCHOOL shares Suffolk County with 342 other public schools.
Of the public schools around it, SHELTER ISLAND SCHOOL is closest to GREENPORT HIGH SCHOOL, about 2.8 miles away. SHELTER ISLAND SCHOOL has 4 other public schools within five miles. Nearby schools average 56.1% on proficiency, and SHELTER ISLAND SCHOOL is above that at 56.9%.
NCES lists the school's locale as Rural: Fringe. That means it sits in rural territory close to an urban area.
Over the 4 years from 2020-21 to 2024-25, enrollment fell 15%. Its ratio of students to teachers was 6.1:1 in 2020-21, and 5.1:1 in 2024-25.
Use the discussion section to ask about homework, tutoring, and testing dates at SHELTER ISLAND SCHOOL. Current and former families are welcome to add their experience.
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
Nearby schools
- GREENPORT HIGH SCHOOL2.8 mi · 358
- GREENPORT ELEMENTARY SCHOOL2.8 mi · 327
- SOUTHOLD ELEMENTARY SCHOOL4.8 mi · 304
- SOUTHOLD JUNIOR-SENIOR HIGH SCHOOL4.9 mi · 333
- SAG HARBOR ELEMENTARY SCHOOL5.5 mi · 431
- OYSTERPONDS ELEMENTARY SCHOOL5.6 mi · 86
Frequently asked questions
About SHELTER ISLAND SCHOOLWhat is the total enrollment at SHELTER ISLAND SCHOOL?
SHELTER ISLAND SCHOOL enrolls approximately 183 students in grades PK-12.
What grades does SHELTER ISLAND SCHOOL serve?
SHELTER ISLAND SCHOOL serves grades PK-12.
What is the student-teacher ratio at SHELTER ISLAND SCHOOL?
The student-to-teacher ratio at SHELTER ISLAND SCHOOL is approximately 5.1:1 (36 FTE teachers).
What is the racial breakdown of students at SHELTER ISLAND SCHOOL?
At SHELTER ISLAND SCHOOL, the student body is approximately 65% White, 30% Hispanic, 1% Black, 2% Asian, 2% Two or more.
Is SHELTER ISLAND SCHOOL public or private?
SHELTER ISLAND SCHOOL is a public K-12 school, overseen by SHELTER ISLAND UNION FREE SCHOOL DISTRICT.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.