Top Rankings
Islip Union Free School District ranks among the top 20% of public school district in New York for:
Category
Attribute
Graduation Rate
Highest graduation rate (Top 5%)
Diversity
Most diverse schools (Top 1%)
Community Size
Largest student body (number of students) (Top 1%)
For the 2026-27 school year, there is 1 public high school serving 890 students in Islip Union Free School District. This district's average high testing ranking is 8/10, which is in the top 30% of public high schools in New York.
Public High School in Islip Union Free School District have an average math proficiency score of 72% (versus the New York public high school average of 55%), and reading proficiency score of 72% (versus the 59% statewide average).
Public High School in Islip Union Free School District have a Graduation Rate of 97%, which is more than the New York average of 89%.
The school with highest graduation rate is Islip High School, with 97% graduation rate. Read more about public school graduation rate statistics in New York or national school graduation rate statistics.
Minority enrollment is 53% of the student body (majority Hispanic), which is less than the New York public high school average of 62% (majority Hispanic).
Overview
This School District
This State (NY)
# Schools
5 Schools
1,467 Schools
# Students
2,652 Students
951,147 Students
# Teachers
259 Teachers
85,467 Teachers
Student-Teacher Ratio
10:1
10:1
Student By Grade
District Rank
Islip Union Free School District, which is ranked #728 of all 1,007 school districts in New York (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 97% has stayed relatively flat over five school years.
Overall District Rank
#696 out of 1017 school districts
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
42%
52%
Reading/Language Arts Test Scores (% Proficient)
42%
49%
Science Test Scores (% Proficient)
88%
78%
Graduation Rate
97%
87.2%
Chronically Absent Students
(2022-23)20.5%
34.8%
Students by Ethnicity:
Diversity Score
0.64
0.73
% American Indian
n/a
1%
% Asian
5%
10%
% Hispanic
39%
31%
% Black
6%
17%
% White
46%
38%
% Hawaiian
n/a
n/a
% Two or more races
4%
3%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $36,886 is higher than the state median of $34,989. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $35,400 is less than the state median of $36,024. The school district spending/student has grown by 8% over four school years.
Total Revenue
$98 MM
$87,503 MM
Spending
$94 MM
$90,091 MM
Revenue / Student
$36,886
$34,989
Spending / Student
$35,400
$36,024
Best Islip Union Free School District Public High Schools (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Islip High School
(Math: 70-74% | Reading: 70-74%)
Rank:
Rank:
9/
Top 20%10
2508 Union Blvd
Islip, NY 11751
(631) 650-8301
Islip, NY 11751
(631) 650-8301
Gr: 9-12 | 890 students Student-teacher ratio: 10:1 Minority enrollment: 53%
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