| District Name | South Plainfield Borough School District |
| State | New Jersey |
| County | Middlesex County |
| Statistical Area | New York-Newark-Jersey City, NY-NJ-PA |
| Cities/Towns | South Plainfield |
| Total Students (2021) | 3362 |
| District Growth Rate (2017-21) | 1.5% |
| Majority Race/Ethnicty | White (39.6%) |
| Free/Reduced Lunch Program | 19.96% |