| Massena Central High School | |
| Established: | 1937 |
| District: | Massena Central School District |
| Grades: | 9-12 |
| Principal: | Alan Oliver |
| Superintendent: | Ronald P. Burke |
| Staff: | 58.05 (FTE) |
| Ratio: | 14.04 |
| Enrollment: | 815 (2018-19)[1] |
| Address: | 84 Nightengale Ave |
| Location: | Massena, New York 13662 |
| Country: | United States |
| Coordinates: | 44.922°N -74.8975°W |
| Website: | https://www.mcs.k12.ny.us/ |
Massena Central High School is a four-year public high school located in Massena, New York for students in grades 9 through 12. It is one of five schools, and the only high school, in the Massena Central School District.