SHELTER ISLAND SCHOOL
Test scores
NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)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.
BeatsExpectations
Demographically-adjusted score · methodologyWhat 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%.
7-year change
SY 2017-18 vs SY 2024-25About SHELTER ISLAND SCHOOL
SHELTER ISLAND SCHOOL is a very small multi-level school in SHELTER ISLAND, New York, run under SHELTER ISLAND UNION FREE SCHOOL DISTRICT. The school instructs 183 students in grades pre-K through 12. Compared to the state average of about 544 students per school, that is 66% leaner than typical.
SHELTER ISLAND UNION FREE SCHOOL DISTRICT is the operating authority for SHELTER ISLAND SCHOOL, handling staffing, calendars, and reporting to the state department of education.
On the student-mix side, SHELTER ISLAND SCHOOL reports that 65% of the student body identifies as White. The remainder is composed of 30% Hispanic, 2% Asian, 2% multiracial. Compared to Suffolk County overall, the school's racial mix sits in roughly the same range.
Looking at school resources, The school employs 36 full-time-equivalent teachers, for a student-teacher ratio near 5.1:1. That figure is tighter than the state norm's 8.7:1 average. Around 33% of the student body qualifies for free or reduced-price meals, a commonly cited indicator of low-income enrollment.
Adjusting for the school's free-and-reduced-lunch share, SHELTER ISLAND SCHOOL sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 62.9%; this one delivers 56.9%.
In the surrounding community, ACS estimates for Suffolk County put the typical household earns roughly $130,686 per year, 40% of adults hold a bachelor's degree or higher, and the poverty rate sits near 4%. In all, Suffolk County runs 343 public schools (combined enrollment of about 222,439 students), of which SHELTER ISLAND SCHOOL is one.
Nearest neighbor: GREENPORT HIGH SCHOOL, around 2.8 miles off. Within five miles, there are 4 other public schools. Among the 8 schools in that immediate cluster with test data (this one included), SHELTER ISLAND SCHOOL ranks 5th on composite proficiency, higher than the local average of 56.1%.
SHELTER ISLAND SCHOOL operates from a small-town location.
Looking at the recent track record. Looking back 7 years, enrollment at SHELTER ISLAND SCHOOL has shrank 15%, going from 215 students in 2018 to 183 in 2025. Over the same period, the Hispanic share rose from 20% to 30%. The student-to-teacher ratio pulled in from 6.3:1 in 2018 to 5.1:1 today.
In the discussion threads here, the page collects discussion, questions, and updates around pickup logistics, teacher feedback, and after-school programs. Members of the school community can share what they know.
Suffolk County at a glance
View full county profileQuick facts
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