Central Islip Union Free School District
School District · Central Islip, New York
Avg Rating
6.3
out of 10
Schools
8
6 elem, 1 mid, 1 high
Per-Pupil Spending
$30,304
Student-Teacher Ratio
14.7:1
Avg Rating
6.3
out of 10
Schools
8
6 elem, 1 mid, 1 high
Per-Pupil Spending
$30,304
Student-Teacher Ratio
14.7:1
Evaluating Central Islip Union Free School District?
A district shares budget, policy, and attendance zones across its schools — use this page to judge Central Islip Union Free School District as a whole, then compare how its individual schools differ.
Shortlist starter
Start with these real page-level signals, then use the full table and map below.
Anthony Alfano Elementary School
Central Islip · Elementary. Compare this profile against district averages, level fit, and attendance-zone reality below.
Central Islip Senior High School
Central Islip · High. Compare this profile against district averages, level fit, and attendance-zone reality below.
Francis J O'neill School
Central Islip · Elementary. Compare this profile against district averages, level fit, and attendance-zone reality below.
How this district compares
New York rank
#303 of 615
districts by avg. composite
Vs. state average
+0.1
above New York avg
Per-pupil spending
$30,304
+$2,524 vs New York median
District size
7,867 students
Much larger than New York median
The short answer
Central Islip Union Free School District ranks #303 of 615 New York districts by overall school rating. Central Islip Union Free School District's schools with real test data average 6.3/10 across 8 schools. Its top-rated schools are Anthony Alfano Elementary School (7.4/10), Central Islip Senior High School (6.8/10), and Francis J O'neill School (6.7/10). Schools with estimated (proxy) scores are excluded from this ranking.
Rates 7.4/10 despite 81% of students being economically disadvantaged. That's about 0.9 points higher than its student-poverty level predicts. Roughly as clean a case of strong results without an affluent-ZIP price tag as you'll find among Central Islip Union Free School District schools.
Top-Rated Schools in Central Islip Union Free School District
Ranked by MySchoolScout composite rating using only schools with real test data (8 of 8). "Value" = points above what student poverty predicts. Estimated (proxy) scores are excluded.
| # | School | Rating |
|---|---|---|
| 1 | Anthony Alfano Elementary School | 7.4 / 10 |
| 2 | Central Islip Senior High School | 6.8 / 10 |
| 3 | Francis J O'neill School | 6.7 / 10 |
| 4 | Marguerite L Mulvey School | 6.6 / 10 |
| 5 | Andrew T Morrow School | 6.1 / 10 |
| 6 | Cordello Avenue Elementary School | 6.1 / 10 |
| 7 | Ralph Reed School | 5.4 / 10 |
| 8 | Charles a Mulligan Elementary School | 5.1 / 10 |
See all 8 schools — including those with estimated data — in the full directory below. How we rate schools.
About Central Islip Union Free School District
Central Islip Union Free School District is a Central Islip, New York school district serving 8 schools. The district educates 7,867 students with a student-teacher ratio of 14.7:1. The district invests $30,304 per student annually.
With an average rating of 6.3/10, Central Islip Union Free School District demonstrates solid academic performance.
The highest-rated school in the district is Anthony Alfano Elementary School, which has a composite score of 7.4/10.
In standardized testing, Central Islip Union Free School District students show an average math proficiency of 34.7% and ELA proficiency of 37.4%.
The district includes 6 elementary schools , 1 middle school , and 1 high school.
District Map
Schools in Central Islip Union Free School District, colored by MySchoolScout rank. Click a pin for details.
District Average Test Scores
Average proficiency across all schools in Central Islip Union Free School District with test data.
Schools in Central Islip Union Free School District
8 schools Elementary Schools 6
Middle Schools 1
High Schools 1
District Details
- State
- New York
- City
- Central Islip
- Total Enrollment
- 7,867
- Teachers (FTE)
- 534
- Child Poverty Rate
- 0.1%
- Data Year
- 2023
Frequently Asked Questions
How many schools are in Central Islip Union Free School District?
Central Islip Union Free School District has 8 schools in total — 6 elementary, 1 middle, and 1 high schools. You can explore each school's ratings and details on this page.
What is the average rating for Central Islip Union Free School District?
The average composite rating for Central Islip Union Free School District is 6.3/10. This score is calculated from the individual ratings of all schools with academic data in the district.
What is the per-pupil spending in Central Islip Union Free School District?
Central Islip Union Free School District spends $30,304 per student per year.
What is the student-teacher ratio in Central Islip Union Free School District?
The average student-teacher ratio in Central Islip Union Free School District is 14.7:1.
What is the top-rated school in Central Islip Union Free School District?
Anthony Alfano Elementary School is the highest-rated school in Central Islip Union Free School District with a composite score of 7.4/10.
What are the test scores in Central Islip Union Free School District?
Across schools in Central Islip Union Free School District with test data, the average math proficiency is 34.7% and the average ELA (reading/writing) proficiency is 37.4%. These figures represent the percentage of students meeting or exceeding grade-level standards.
How does Central Islip Union Free School District compare to other districts in New York?
Central Islip Union Free School District has an average school rating of 6.3/10 across 8 schools. Families can compare this to other districts in New York by visiting individual district pages. Factors like school size, available programs, and community demographics also play a role in choosing the right fit.
How does MySchoolScout rate schools?
MySchoolScout ratings blend student growth, poverty-adjusted academic performance, and learning environment — plus college readiness for high schools. Weights vary by school level, and equity data is shown for context without being factored into the score. Learn more about our rating system on our methodology page.
District Averages
- Overall Rating
- 6.3/10
- Math Proficiency
- 34.7%
- ELA Proficiency
- 37.4%
Resources
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateOther School Districts in NY
Compare Central Islip Union Free School District with neighboring districts in the state.
- New York City Geographic District # 2 (119)
- New York City Geographic District #10 (83)
- New York City Geographic District #31 (74)
- New York City Geographic District # 9 (69)
- New York City Geographic District #27 (63)
- New York City Geographic District #11 (62)
- Buffalo City School District (61)
- Nyc Special Schools - District 75 (59)
- New York City Geographic District #24 (57)
- New York City Geographic District # 8 (52)
- New York City Geographic District #30 (52)
- New York City Geographic District #19 (52)
- New York City Geographic District #28 (50)
- New York City Geographic District #15 (49)
- New York City Geographic District #17 (49)
- New York City Geographic District #12 (47)
- New York City Geographic District #29 (46)
- New York City Geographic District #25 (46)
- Rochester City School District (46)
- New York City Geographic District # 6 (45)
- New York City Geographic District #20 (45)
- New York City Geographic District # 3 (43)
- New York City Geographic District # 7 (41)
- New York City Geographic District #13 (41)
Data from NCES Common Core of Data, New York State Education Dept., and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.
Related reading
- Best Public Schools in New York 2026: Top Districts from NYC to the Suburbsbest schools
- Best Schools in New York, NY — 2026 Rankingsbest schools
- Best States for Public Schools in 2026: A Complete Rankingdata insights
- Charter Schools vs Public Schools: What the Data Actually Shows (2026)school choice
- Student-Teacher Ratio by State: Complete 2026 Rankingsdata insights
Get school insights in your inbox
New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.
We respect your privacy. Unsubscribe at any time.