| District Name | Central Islip Union Free School District |
| State | New York |
| County | Suffolk County |
| Statistical Area | New York-Newark-Jersey City, NY-NJ-PA |
| Total Students (2021) | 7496 |
| District Growth Rate (2017-21) | 0.9% |
| Majority Race/Ethnicty | Hispanic (78.8%) |
| Free/Reduced Lunch Program | 74.56% |