What grades does CENTRAL ISLIP SENIOR HIGH SCHOOL serve?

As a High school, CENTRAL ISLIP SENIOR HIGH SCHOOL serves students in CENTRAL ISLIP, NY. The school is administered by the local school district.

Where is CENTRAL ISLIP SENIOR HIGH SCHOOL located?

You can find CENTRAL ISLIP SENIOR HIGH SCHOOL in CENTRAL ISLIP, NY.

What is the student-teacher ratio at CENTRAL ISLIP SENIOR HIGH SCHOOL?

At CENTRAL ISLIP SENIOR HIGH SCHOOL, there are approximately 17 students for every teacher.

What schools are in CENTRAL ISLIP, NY?

CENTRAL ISLIP SENIOR HIGH SCHOOL is among the schools serving CENTRAL ISLIP, NY. The school is part of the local school system.

NYHighCalendar available · 15 events · Auto-updating

CENTRAL ISLIP SENIOR HIGH SCHOOL — School Calendar 2026-27

High|CENTRAL ISLIP, New York|CENTRAL ISLIP UNION FREE SCHOOL DISTRICT

CENTRAL ISLIP, NY 11722

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Upcoming Events

Sep

Tue

First Day of School (Islip)Event

Confirm bus route and pickup time. Early dismissal may apply.

Sep

Fri

Labor Day Weekend — No SchoolHoliday

Banks, government offices, and schools may be closed.

Sep

Mon

Yom Kippur — No SchoolEvent

Islip Union Free School District school holiday

Oct

Mon

Columbus Day / Indigenous Peoples' Day — No SchoolEvent

Islip Union Free School District school holiday

Nov

Wed

Veterans Day — No SchoolEvent

Islip Union Free School District school holiday

Nov

Wed

Thanksgiving Recess — No SchoolBreak

Banks, government offices, and schools may be closed.

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Plus waste, sports, holidays, and more.

School Profile

Grades

9–12

Enrollment

2,597

Student:Teacher

17:1

Locale

Suburban

District

CENTRAL ISLIP UNION FREE SCHOOL DISTRICT

Econ. Disadvantaged

65.7%

Phone

(631)348-5079

School Statistics

Academics (SY 2020-21)

Math Proficiency

83%

78th percentile in NY

Graduation Rate

90%

Chronic Absenteeism

35.3%

SY 2019-20

Programs & Activities (SY 2021-22)

AP Program

10 courses offered

173 students enrolled

SAT/ACT

77 test takers

Athletics

19 sports, 29 teams

397 participants

Student-Teacher Ratio: 16.9:1

Worse than average in NY

Technology & Internet Access (SY 2021-22)

1:1 Devices

Student devices available

Wi-Fi

Campus-wide wireless

Fiber Internet

High-speed connection

2,399

Connected devices

Staff & Support Services (SY 2021-22)

Teachers (FTE)

155

100% fully certified

Counselors

Psychologists

Social Workers

Nurses

Security Staff

Anti-Bullying Policy

District Finance (FY 2023)

Per-Pupil Spending

$30,304

Total current expenditure

Instruction Spending

$19,740

Per pupil, classroom only

Total Revenue/Pupil

$37,557

All funding sources

Funding Sources

Federal 9%State 57%Local 34%

District-level data from NCES F-33 Survey

Community Context

Median Home Value

$456,345

+4.2% 1yr+45.0% 5yr

Hudson, NY metro area

Community Need Level

Moderate

CDC/ATSDR Social Vulnerability Index 2022

Neighborhood Indicators (Census Tract)

10.6%

Below 150% poverty line

4.8%

Unemployment rate

4.4%

Uninsured residents

9.7%

No HS diploma (25+)

Special Education (IDEA)

District-level data from IDEA Part B · Students ages 3-21 served under IDEA

Total Students Served

1,396

Ages 3-21 under IDEA

School-Age (6-21)

1,263

Receiving special ed services

Est. % of Enrollment

49%

District rate, school may vary

Disability Categories (District)

Specific Learning Disability

466 (37%)

Speech/Language Impairment

364 (29%)

Autism

148 (12%)

Other Health Impairment

124 (10%)

Intellectual Disability

28 (2%)

Emotional Disturbance

16 (1%)

Source: U.S. Department of Education, IDEA Section 618 Data · District-level counts · Individual school figures may differ

Enrollment Trend (2014-2025)

2,615

Current enrollment

Growing(+10% 5yr)

Coming Up

Tue, Sep 1, 2026

First Day of School (Islip)

Event

Fri, Sep 4, 2026

Labor Day Weekend — No School

Holiday

Mon, Sep 21, 2026

Yom Kippur — No School

Event

Full School Calendar 2026-27

Date	Event	Type	Level
Tue, Sep 1, 2026	First Day of School (Islip) Islip Union Free School District 2026-2027 school year begins	Event	—
Fri, Sep 4, 2026	Labor Day Weekend — No School Islip Union Free School District Labor Day Weekend	Holiday	—
Mon, Sep 21, 2026	Yom Kippur — No School Islip Union Free School District school holiday	Event	—
Mon, Oct 12, 2026	Columbus Day / Indigenous Peoples' Day — No School Islip Union Free School District school holiday	Event	—
Wed, Nov 11, 2026	Veterans Day — No School Islip Union Free School District school holiday	Event	—
Wed, Nov 25, 2026	Thanksgiving Recess — No School Islip Union Free School District Thanksgiving Recess	Break	—
Wed, Dec 23, 2026	Winter Recess — No School Islip Union Free School District Winter Recess	Break	—
Mon, Jan 18, 2027	Martin Luther King Day — No School Islip Union Free School District school holiday	Event	—
Mon, Feb 15, 2027	Mid-Winter Recess — No School Islip Union Free School District Mid-Winter Recess	Break	—
Thu, Mar 25, 2027	Easter Recess — No School Islip Union Free School District Easter Recess	Break	—
Mon, Apr 19, 2027	Spring Recess — No School Islip Union Free School District Spring Recess	Break	—
Fri, May 28, 2027	Possible Makeup Date (Islip Union Free School District) Islip Union Free School District important calendar date	Event	—
Mon, May 31, 2027	Memorial Day — No School Islip Union Free School District school holiday	Holiday	—
Tue, Jun 1, 2027	Possible Makeup Date (Islip Union Free School District) Islip Union Free School District important calendar date	Event	—
Fri, Jun 25, 2027	Last Day of School (Islip) Islip Union Free School District 2026-2027 school year ends	Event	—

Showing 15 events for the 2026-27 school year

Frequently Asked Questions about CENTRAL ISLIP SENIOR HIGH SCHOOL

CENTRAL ISLIP SENIOR HIGH SCHOOL has a total enrollment of 2,597 students and serves grades High. The school is part of the local school district in CENTRAL ISLIP, NY.