| District Name | Hermon-DeKalb Central School District |
| State | New York |
| County | Saint Lawrence County |
| Statistical Area | Ogdensburg-Massena, NY |
| Total Students (2021) | 416 |
| District Growth Rate (2017-21) | 5.0% |
| Majority Race/Ethnicty | White (95.0%) |
| Free/Reduced Lunch Program | 63.46% |