School overview
At a glance
Reported students
2,615
NCES CCD 2024–25, where reported
Teachers (FTE)
154.91
NCES CCD 2024–25
Student–teacher ratio
16.9:1
Calculated, not a class-size measure
Grades served
09–12
NCES preliminary directory 2025–26
School benchmarks
New York high enrollment
98th percentile
Compared with 1,188 same-level schools reporting enrollment.
District median enrollment
710.5
CENTRAL ISLIP SENIOR HIGH SCHOOL: 2,615 reported students.
State peer staffing position
98th percentile
16.9:1 reported; state peer median 10.8:1. Ratio is not class size.
Profile interpretation
What the reported data says about CENTRAL ISLIP SENIOR HIGH SCHOOL
CENTRAL ISLIP SENIOR HIGH SCHOOL is a public high school serving grades 09–12 in CENTRAL ISLIP. It is one of 8 current school records connected to CENTRAL ISLIP UNION FREE SCHOOL DISTRICT. NCES reports 2,615 students for 2024–25.
Among 1,188 high schools in New York with comparable records, this school is larger than the reported median of 460 students. Its enrollment is at approximately the 98th percentile for that peer group. Size describes the campus, not instructional quality.
The reported student–teacher ratio is 16.9:1, above the New York median of 10.8:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.
The two largest reported race and ethnicity groups are Hispanic or Latino (81.2%) and Black (14.7%). English learners represent 27% of enrollment. Students served under IDEA represent 9.9%. These figures help families understand who the school serves; they are not rating inputs.
The 2021–22 civil-rights collection reports access to Advanced Placement, computer science. The school reported 10 AP courses. Program availability changes, so families should confirm the current catalog and participation rules directly with the school.
Turn data into a school visit
Questions worth asking CENTRAL ISLIP SENIOR HIGH SCHOOL
- 1How do the reported 16.9:1 student–teacher ratio and 154.91 teacher FTE translate into actual class sizes by grade?
- 2Have the reported academic programs changed since the 2021–22 CRDC collection?
- 3How are the school's 6 counselor FTE allocated across grades and student needs?
- 4Does community eligibility provide breakfast and lunch to every enrolled student, and are summer meals available?
Student context
Enrollment needs
- English learners
- 27%
- Students with disabilities
- 9.9%
- Free/reduced-price lunch
- 55.6%
- Lunch program
- Yes under Community Eligibility Option (CEO)
People available to students
Support staff
- Counselors (FTE)
- 6
- Nurses (FTE)
- 2
- Psychologists (FTE)
- 2
- Social workers (FTE)
- 3
Student demographics
Race and ethnicity share of reported enrollment
- White1.6%
- Hispanic81.2%
- Black14.7%
- Asian1.4%
- American Indian / Alaska Native0.2%
- Native Hawaiian / Pacific Islander0.1%
- Multiracial0.8%
Race/ethnicity: NCES CCD 2024–25 where reported, otherwise CRDC 2021–22. English learner and disability context: CRDC 2021–22. Privacy rules can produce missing values.
Learning opportunities
Programs reported by the school
Advanced Placement
Offered
10 courses reported
Gifted and talented
Not reported as offered
Computer science
Offered
Program availability is from CRDC 2021–22 and can change. Confirm current courses and eligibility with the school.
Continue exploring
Other schools in CENTRAL ISLIP UNION FREE SCHOOL DISTRICT
Start with campuses at the same school level or with similar reported enrollment.
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ANTHONY ALFANO ELEMENTARY SCHOOL
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491 reported students