| Seneca East High School | |
| Motto: | "Bettering the best" |
| Type: | Public |
| District: | Seneca East Local School |
| Grades: | K-12 |
| Superintendent: | Laura A. Kagy Ed.D. |
| Enrollment: | 298 (2016–17)[1] |
| Athletics: | Doug Mason Athletic Director |
| Athletics Conference: | Northern 10 Athletic Conference |
| Colors: | Orange and Black and White |
| Mascot: | Tigers |
| Free Label: | Newspaper |
| Free Text: | Tiger Tales |
| Location: | 13343 E US 224 Attica, Ohio 44807 |
| Coordinates: | 41.0789°N -82.9156°W |
| Country: | United States |
| Homepage: | http://www.senecaeast.net/SEHS/SEHS.htm |
Seneca East High School is a public high school in Attica, Ohio. It is the only high school in the Seneca East Local School District. On December 1, 2011, Carey, Mohawk, and Seneca East announced they would be leaving the MAL to help form the new Northern 10 Athletic Conference in 2014 with Bucyrus, Buckeye Central, Colonel Crawford, Crestline, Riverdale, Wynford and Ridgedale. (The Northern 10 only consist of 8 teams, starting in 2021 sports seasons, with Ridgedale & Riverdale leaving the league in 2020.)