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Central Islip Senior High School

85 Wheeler Rd, Central Islip, NY 11722

CSchola Grade
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Grades
9–12
High
Students
2,615
Enrolled 2024–25
Students per teacher
16.9 : 1
Full-time teachers
District
Central Islip Union Free School District
Suffolk County

Schola Grade C · Average

Letter grade (A–F) · compared with 1,093 New York high schools · How we grade
Test scores74% proficient in math & reading
56thpercentile
Equity73% of low-income students proficient
61stpercentile
Attendance58% chronically absent
20thpercentile
Graduation rate80% graduate in 4 years
12thpercentile
College readinessAt least 10% take AP, IB or dual-enrollment courses
13thpercentile
Class size16.9 students per teacher
2ndpercentile

Percentiles compare this school with other New York high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Central Islip Senior High School

Central Islip Senior High School is a public high school in Central Islip, New York, serving grades 9–12. It is part of Central Islip Union Free School District. The school is located in a large suburb in Suffolk County.

In the 2024–25 school year, 2,615 students were enrolled, with about 16.9 students for every full-time teacher. That ratio is larger than the typical New York high school (10.7 students per teacher). Its Schola Grade is C (average), compared with 1,093 New York high schools.

Grades & enrollment

Students per grade, 2024–25Grades 9–12

Location & nearby schools

85 Wheeler Rd
Central Islip, NY 11722
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School details

Type
Public School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
2,615 students
Students per teacher
16.9 to 1
AP courses offered
14
Charter school
No
Magnet school
No
Locale
Suburb — Large
School district
Central Islip Union Free School District
County
Suffolk County
NCES school ID
360687000473

Schools near Central Islip Senior High School

All 8 schools in Central Islip →

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.