Islip Union Free School District

215 Main St
Islip, NY 11751-3435
(District boundaries shown in map)
4/
10
Bottom 50%

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 school year, there are 5 public schools serving 2,652 students in Islip Union Free School District. This district's average testing ranking is 3/10, which is in the bottom 50% of public schools in New York.
Public Schools in Islip Union Free School District have an average math proficiency score of 42% (versus the New York public school average of 53%), and reading proficiency score of 41% (versus the 49% statewide average).
Minority enrollment is 54% of the student body (majority Hispanic), which is less than the New York public school average of 61% (majority Hispanic).

Overview

This School District
This State (NY)
# Schools
5 Schools
4,810 Schools
# Students
2,652 Students
2,503,634 Students
# Teachers
259 Teachers
218,347 Teachers
Student-Teacher Ratio
10:1
10:1

Student By Grade

District Rank

Islip Union Free School District, which is ranked #730 of all 1,008 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.
This School District
State Average (NY)
#696 out of 1017 school districts
(Bottom 50%)
42%
52%
42%
49%
88%
78%
97%
87%

Students by Ethnicity:

0.64
0.73
% American Indian
n/a
1%
% Asian
5%
10%
% Hispanic
39%
31%
% Black
6%
15%
% White
46%
39%
% Hawaiian
n/a
n/a
% Two or more races
4%
4%
All Ethnic Groups

District Revenue and Spending

The revenue/student of $33,266 is higher than the state median of $31,371. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $31,870 is less than the state median of $32,248. The school district spending/student has grown by 5% over four school years.
This School District
This State (NY)
Total Revenue
$88 MM
$78,541 MM
Spending
$85 MM
$80,737 MM
Revenue / Student
$33,266
$31,371
Spending / Student
$31,870
$32,248

Best Islip Union Free School District Public Schools (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Islip High School
(Math: 70-74% | Reading: 70-74%)
Rank:
9/
10
Top 20%
2508 Union Blvd
Islip, NY 11751
(631) 650-8301
Gr: 9-12 | 890 students Student-teacher ratio: 10:1 Minority enrollment: 53%
Rank: #22.
Maud S Sherwood Elementary School
(Math: 55-59% | Reading: 35-39%)
Rank:
5/
10
Bottom 50%
301 Smith Ave
Islip, NY 11751
(631) 650-8650
Gr: 2-5 | 366 students Student-teacher ratio: 10:1 Minority enrollment: 44%
Rank: #33.
Islip Middle School
(Math: 36% | Reading: 48%)
Rank:
4/
10
Bottom 50%
211 Main St
Islip, NY 11751
(631) 650-8500
Gr: 6-8 | 601 students Student-teacher ratio: 10:1 Minority enrollment: 55%
Rank: #44.
Commack Road Elementary School
(Math: 33% | Reading: 25%)
Rank:
2/
10
Bottom 50%
300 Commack Rd
Islip, NY 11751
(631) 650-8600
Gr: 2-5 | 422 students Student-teacher ratio: 11:1 Minority enrollment: 65%
Rank: n/an/a
Wing Elementary School
1 Winganhauppauge Rd
Islip, NY 11751
(631) 650-8450
Gr: K-1 | 373 students Student-teacher ratio: 11:1 Minority enrollment: 53%

Frequently Asked Questions

How many schools belong to Islip Union Free School District?
Islip Union Free School District manages 5 public schools serving 2,652 students.
What is the rank of Islip Union Free School District?
Islip Union Free School District is ranked #730 out of 1,008 school districts in New York (bottom 50%) based off of combined math and reading proficiency testing data for the 2022-2023 school year. This district ranks in the top 20% of New York school districts for: Highest graduation rate (Top 5%), Most diverse schools (Top 1%) and Largest student body (number of students) (Top 1%)
What is the racial composition of students in Islip Union Free School District?
46% of Islip Union Free School District students are White, 39% of students are Hispanic, 6% of students are Black, 5% of students are Asian, and 4% of students are Two or more races.
What is the student/teacher ratio of Islip Union Free School District?
Islip Union Free School District has a student/teacher ratio of 10:1, which is lower than the New York state average of 11:1.
What is Islip Union Free School District's spending/student ratio?
The school district's spending/student of $31,870 is less than the state median of $32,248. The school district spending/student has grown by 5% over four school years.

Recent Articles

When “Free Public School” Still Isn’t Free
When “Free Public School” Still Isn’t Free
Discover the hidden costs of public school in 2026, from supplies and fees to transportation, technology, and extracurricular expenses.
What a District Budget Cut Means for Your Child's School Experience
What a District Budget Cut Means for Your Child's School Experience
Learn how district budget cuts can affect class sizes, programs, staffing, transportation, and your child's daily school experience in 2026.
School Closure Risk: What Parents Should Check Before Moving
School Closure Risk: What Parents Should Check Before Moving
Learn how parents can assess school closure risk before buying or renting in a district, using enrollment, funding, and boundary data.

Quick Facts (2026)

  • District size: 5 schools
  • Grades: K-12
  • Enrollment: 2,652 students
  • Student-Teacher Ratio: 10:1
  • Minority Enrollment: 54%
  • : 97% (Top 5% in NY)
  • : Bottom 50%
  • : 42% (Btm 50%)
  • : 42% (Btm 50%)
  • : 88% (Top 30%)
  • Source: National Center for Education Statistics (NCES), NY Dept. of Education

Quick Links