Central Islip Senior High School is a high school in Central Islip, New York, United States, serving students in grades 9-12. It is part of the Central Islip Union Free School District.
Serving 2,597 students in grades 9-12, Central Islip Senior High School ranks in the top 30% of all schools in New York for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 50% (which is lower than the New York state average of 52%). The percentage of students achieving proficiency in reading/language arts is 75-79% (which is higher than the New York state average of 49%).
The student-teacher ratio of 17:1 is higher than the New York state level of 11:1.
Minority enrollment is 98% of the student body (majority Hispanic), which is higher than the New York state average of 60% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 2,597 students
- Student-Teacher Ratio: 17:1
- Minority Enrollment: 98%
- Graduation Rate: 80% (Btm 50% in NY)
- Overall Testing Rank: Top 30%
- Math Proficiency: 50% (Btm 50%)
- Reading Proficiency: 75-79% (Top 20%)
- Science Proficiency: 77% (Btm 50%)
- Source: National Center for Education Statistics (NCES), NY Dept. of Education
Top Rankings
Central Islip Senior High School ranks among the top 20% of public schools in New York for:
Category
Attribute
Reading/Language Arts Proficiency
School Overview
Central Islip Senior High School's student population of 2,597 students has grown by 8% over five school years.
The teacher population of 154 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
2,597 students
Gender %
Total Classroom Teachers
154 teachers
Colors
Purple, Gold
School Rankings
Central Islip Senior High School ranks within the top 30% of all 4,346 schools in New York (based off of combined math and reading proficiency testing data).
The diversity score of Central Islip Senior High School is 0.31, which is less than the diversity score at state average of 0.72. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1293 out of 4346 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
50%
52%
Reading/Language Arts Test Scores (% Proficient)
75-79%
49%
Science Test Scores (% Proficient)
77%
78%
Student-Teacher Ratio
17:1
11:1
American Indian
n/a
1%
Asian
1%
10%
Hispanic
82%
30%
Black
14%
15%
White
2%
40%
Hawaiian
n/a
n/a
Two or more races
1%
4%
All Ethnic Groups
Graduation Rate
80%
87%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
64%
54%
Eligible for Reduced Lunch
2%
3%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NY Dept. of Education
School Notes
- School Mascot: Musketeer
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Central Islip Senior High School's ranking?
Central Islip Senior High School is ranked #1293 out of 4,346 schools, which ranks it among the top 30% of public schools in New York.
What percent of students have achieved state testing proficiency in math and reading?
50% of students have achieved math proficiency (compared to the 52% NY state average), while 75-79% of students have achieved reading proficiency (compared to the 49% NY state average).
What is the graduation rate of Central Islip Senior High School?
The graduation rate of Central Islip Senior High School is 80%, which is lower than the New York state average of 87%.
How many students attend Central Islip Senior High School?
2,597 students attend Central Islip Senior High School.
What is the racial composition of the student body?
82% of Central Islip Senior High School students are Hispanic, 14% of students are Black, 2% of students are White, 1% of students are Asian, and 1% of students are Two or more races.
What is the student-teacher ratio of Central Islip Senior High School?
Central Islip Senior High School has a student ration of 17:1, which is higher than the New York state average of 11:1.
What grades does Central Islip Senior High School offer ?
Central Islip Senior High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Central Islip Senior High School part of?
Central Islip Senior High School is part of Central Islip Union Free School District.
School Reviews
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