Central Islip Union Free School District, New York
Central Islip Union Free School District is a unified school district in Suffolk County, New York, for grades Pre-K to 12. About 42,195 people live in it (2020–2024 estimate). It covers 8.17 sq mi (21.2 km²) of land.
- Population, 2020–2024 estimate
- 42,195 ± 2,617
- Grades
- Pre-K to 12
- Type
- Unified school district
- County
- Suffolk County
- Land area
- 8.17 sq mi (21.2 km²)
- Median household income
- $114,283 ± $4,948
- Median home value
- $444,700 ± $10,212
- State
- New York
- Census code (GEOID)
- 3606870
- Coordinates (central point)
- 40.787450, -73.191898
These coordinates mark a central point for the district, not a school or an address. Population, income and home value: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 20, 2026.
Towns, townships and communities in Central Islip Union Free School District, largest first
- Central Islip (CDP)38,373 people
- Islandia (village)3,600 people
A town, township, city or borough is listed when at least half its land is in the district; a community, when its central point is. Near a district line, an address can belong to the district next door.
Bordering unified school districts, nearest first
- Connetquot Central School District2.7 mi southeast
- Hauppauge Union Free School District2.7 mi northwest
- Brentwood Union Free School District3.6 mi west
- East Islip Union Free School District5.4 mi south
- Islip Union Free School District5.5 mi south
These share a boundary with Central Islip Union Free School District. Distances are straight lines between central points.
Before using this answer for enrollment
A district boundary doesn’t decide which school a student attends; the district’s attendance zones and rules do. Confirm the full address and grade with Central Islip Union Free School District before you rely on it.
See its schools and enrollment on NCES ↗
Find the school district where you are now or find your town or township.