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SCHOOL COMMUNITY·CENTRAL ISLIP UNION FREE SCHOOL DISTRICT·NCES 360687000473

CENTRAL ISLIP SENIOR HIGH SCHOOL

85 WHEELER RD, CENTRAL ISLIP, NY 11722 · (631) 348-5079 · Suffolk County
GRADES 09–12HIGH21-SUBURBTITLE IREGULAR SCHOOL2,615 STUDENTS
C-
allk12 Grade
Scored higher than 23% of New York public high schools
  • CTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • DBeats 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 high schools

Enrollment
2,615
High
DISTRICT 972 · STATE 668
Student : Teacher
16.9:1
155 FTE teachers
DISTRICT 13.6:1 · STATE 11.0:1
Free / Reduced Lunch
56%
1,453 students
DISTRICT 67% · STATE 58%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 958222%
Grade 1066225%
Grade 1160823%
Grade 1273928%
Ungraded241%
Student demographics
32%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 32% · STATE 72% · US 70%
White
412%
DISTRICT 2% · STATE 39% · US 43%
Hispanic
2,12481%
DISTRICT 82% · STATE 31% · US 30%
Black
38515%
DISTRICT 13% · STATE 16% · US 15%
Asian
371%
DISTRICT 1% · STATE 10% · US 6%
Two+
221%
DISTRICT 2% · STATE 4% · US 5%
Native American
40%
DISTRICT 0% · STATE 1% · US 1%
Pacific Islander
20%
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
1,38553%
Female
1,23047%

School pathway

Feeds from
RALPH REED SCHOOL07–08
Based on grade levels within CENTRAL ISLIP 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
60.0%
NY avg 58.3% . -4.0pp since 2023
Math
27.0%
NY avg 57.4% . -9.0pp since 2023

What this means: On the NYS Assessments, New York's statewide test, about 60 of every 100 students at this school read and write at grade level and about 27 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 4 points since 2023, while math scores are down about 9 points.

NYS Assessments results by year

School yearEnglish Language ArtsMath
2024-2560.0%27.0%
2023-2464.0%36.0%
% 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
47.3%
composite math + reading, all grades
Predicted
54.6%
based on NY schools with similar FRL share
Beats by
-7.2pp
below demographic expectation

What this means: About 47% of students here test proficient in math and reading, compared with the roughly 55% 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 CENTRAL ISLIP SENIOR HIGH SCHOOL

CENTRAL ISLIP SENIOR HIGH SCHOOL's state test result (47.3% proficient) is higher than 0 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
CENTRAL ISLIP SENIOR HIGH SCHOOL this school2,61555.6%47.3%
NORTH ROCKLAND HIGH SCHOOL
THIELLS
2,79855.5%67.3%
FREEPORT HIGH SCHOOL
FREEPORT
2,24464.3%52.8%
WALTER G O'CONNELL COPIAGUE HIGH SCHOOL
COPIAGUE
1,56753.6%52.3%
WHITE PLAINS SENIOR HIGH SCHOOL
WHITE PLAINS
2,23949.8%62.2%
WESTBURY HIGH SCHOOL
OLD WESTBURY
1,57464.3%52.2%
Matched among New York high 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 CENTRAL ISLIP SENIOR HIGH SCHOOL ranks

Among high schools
MeasureThis schoolIn New YorkIn Suffolk County
State test proficiency
ranked highest first
47.3%#782 of 1,135#53 of 57
Math proficiency
ranked highest first
27.0%#929 of 1,109
▼ 118
#56 of 57
▼ 7
Reading proficiency
ranked highest first
60.0%#791 of 1,135
▼ 39
#54 of 56
▼ 2
Enrollment
ranked largest first
2,615#28 of 1,216#4 of 59
Students per teacher
ranked fewest first
16.9:1#1,035 of 1,058#57 of 57
Diversity index
ranked most diverse first
31.8%#778 of 1,070#53 of 57
Free and reduced lunch
ranked highest share first
55.6%#639 of 1,167#6 of 57
Enrollment change since 2017-18
ranked fastest growth first
+13.5%#107 of 339#3 of 12
Ranked against other public high 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
2,615
+214 (+9%) vs 2020
+85% since 1990-91, when it was 1,412
Student : Teacher
16.9:1
was 16.4:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-252,615154.916.9:156% (1,453)
2023-242,597153.516.9:166% (1,705)
2022-232,576147.917.4:177% (1,991)
2020-212,40114616.4:171% (1,714)
2017-182,303136.416.9:179% (1,825)
2015-162,08313615.3:161% (1,264)
2010-111,88213613.8:167% (1,258)
2000-011,74714512.1:122% (384)
1990-911,4129814.4:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for CENTRAL ISLIP SENIOR HIGH SCHOOL.

About CENTRAL ISLIP SENIOR HIGH SCHOOL

CENTRAL ISLIP SENIOR HIGH SCHOOL is a high school in CENTRAL ISLIP, New York, reachable at (631) 348-5079. Total enrollment is 2,615 students, and the grades served are 9 through 12. By comparison, high schools in New York enroll about 668 students on average.

CENTRAL ISLIP UNION FREE SCHOOL DISTRICT has 7,773 students spread across 8 schools.

The share of students at CENTRAL ISLIP SENIOR HIGH SCHOOL who are Hispanic is 81%. Other groups include 15% Black. By comparison, Suffolk County residents are about 23% Hispanic. A diversity index of 32% means there is a 32% chance two randomly chosen students at CENTRAL ISLIP SENIOR HIGH SCHOOL are from different groups.

With 154.9 full-time-equivalent teachers, the student-to-teacher ratio is about 16.9:1. Compared with the 11.0:1 average for high schools in New York, this school's ratio is higher. Student poverty is often measured by lunch eligibility; at CENTRAL ISLIP SENIOR HIGH SCHOOL, 56% qualify for free or reduced-price lunch. The rate at public schools in Suffolk County averages 39%, lower than here.

CENTRAL ISLIP SENIOR HIGH SCHOOL earns a C- on the allk12 Grade, which blends test scores, results against poverty-based expectations, and the three-year trend. It scored higher than 23% of New York public high schools.

After adjusting for student poverty, CENTRAL ISLIP SENIOR HIGH SCHOOL lands between the top and bottom 10% of New York schools. Its average proficiency rate across its state test results is 47.3%; the prediction is 54.6%.

In Suffolk County, home to about 1,530,146 people, the median household earns about $130,686 a year, roughly 40% of adults have a four-year degree or more, and the share of residents below the poverty line is 4%. CENTRAL ISLIP SENIOR HIGH SCHOOL shares Suffolk County with 342 other public schools.

ANTHONY ALFANO ELEMENTARY SCHOOL is about 0.4 miles away, making it the nearest public school. Other public schools within five miles number at least 8. Ranked by average proficiency, CENTRAL ISLIP SENIOR HIGH SCHOOL places 2nd out of 8 schools in its immediate area.

The school's setting, by NCES definition, is Suburb: Large: in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

Enrollment rose by 9% across 4 years, from 2,401 in 2020-21 to 2,615 in 2024-25.

The allk12 page for CENTRAL ISLIP SENIOR HIGH SCHOOL lets the school community talk about pickup and drop-off, after-school programs, and teacher feedback. Current and former families are welcome to add their experience.

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
CENTRAL ISLIP SENIOR HIGH SCHOOL
District
CENTRAL ISLIP UNION FREE SCHOOL DISTRICT
Address
85 WHEELER RD, CENTRAL ISLIP, NY 11722
Phone
(631) 348-5079
County
Suffolk County
Level
High
Grade range
09–12
Total enrollment
2,615
Teachers (FTE)
155
Student–teacher ratio
16.9:1
Free and reduced lunch
1,453 (56%)
Locale
21-Suburb: Large
NCES ID
360687000473
Charter school
No
Virtual school
No

Related schools

Other schools in CENTRAL ISLIP UNION FREE SCHOOL DISTRICT
Other schools in CENTRAL ISLIP
Nearby schools

Frequently asked questions

About CENTRAL ISLIP SENIOR HIGH SCHOOL
How large is CENTRAL ISLIP SENIOR HIGH SCHOOL?
CENTRAL ISLIP SENIOR HIGH SCHOOL enrolls approximately 2,615 students in grades 09-12.
What age range does CENTRAL ISLIP SENIOR HIGH SCHOOL serve?
CENTRAL ISLIP SENIOR HIGH SCHOOL serves students from grade 09 through grade 12.
How many students per teacher at CENTRAL ISLIP SENIOR HIGH SCHOOL?
Approximately 16.9:1 students per teacher at CENTRAL ISLIP SENIOR HIGH SCHOOL.
How diverse is CENTRAL ISLIP SENIOR HIGH SCHOOL?
CENTRAL ISLIP SENIOR HIGH SCHOOL reports a student body of 2% White, 81% Hispanic, 15% Black, 1% Asian, 1% Two or more.
Who oversees CENTRAL ISLIP SENIOR HIGH SCHOOL?
CENTRAL ISLIP SENIOR HIGH SCHOOL is overseen by CENTRAL ISLIP UNION FREE SCHOOL DISTRICT in Suffolk County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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