| Hillsdale High School | |
| Streetaddress: | 30 S Norwood Ave. |
| City: | Hillsdale |
| State: | Michigan |
| Zipcode: | 49242 |
| Country: | United States |
| Staff: | 20.26 (FTE) |
| Ratio: | 21.77 |
| Type: | Public, Coeducational high school |
| Grades: | 9-12 |
| Conference: | Lenawee County Athletic Association |
| Rival: | Hillsdale Academy |
| Mascot: | Hornet |
| Nickname: | Hornets[1] |
| Enrollment: | 441 (2018–19)[2] |
Hillsdale High School is a public high school in Hillsdale, Michigan. It is the only high school in the Hillsdale Community School district. Their nickname is the Hornets.[3] They are members of the Lenawee County Athletic Association.
The boundary of the school district, and therefore that of Hillsdale High, includes Hillsdale, most of Hillsdale Township, and portions of these townships: Allen, Adams, Cambria, Fayette, Jefferson, and Woodbridge.[4]