| District Name | Northumberland School District |
| State | New Hampshire |
| County | Coos County |
| Statistical Area | Berlin, NH |
| Cities/Towns | |
| Total Students (2021) | 328 |
| District Growth Rate (2017-21) | -7.1% |
| Majority Race/Ethnicty | White (97.9%) |
| Free/Reduced Lunch Program | 45.12% |