Mark T. Sheehan High School
| Mark T. Sheehan High School | |
|---|---|
| Address | |
142 Hope Hill Rd , New Haven County , Connecticut 06492 United States | |
| Coordinates | 41°29′08″N 72°50′09″W / 41.48550031880082°N 72.83595429724399°W |
| Information | |
| School type | Public High School |
| Established | 1971 |
| Sister school | Lyman Hall High School |
| School district | Wallingford Public Schools |
| Category | High school |
| CEEB code | 070813 |
| Principal | Enzo Zocco |
| Teaching staff | 63.10 (on an FTE basis) |
| Grades | 9–12 |
| Enrollment | 724 (2023–2024) |
| Student to teacher ratio | 11.47 |
| Color(s) | Maroon and gold |
| Athletics | Football, basketball, baseball, softball, volleyball, ice hockey, field hockey lacrosse, track and field, cross country, soccer, tennis |
| Mascot | Titans |
| Website | www |
Mark T. Sheehan High School is a public high school located at 142 Hope Hill Road, Wallingford, Connecticut. It is part of the Wallingford Public School System, and one of two public high schools in Wallingford, Lyman Hall High School being the other. Its official colors are burgundy and gold.