McKinley Senior High School is a public high school in Canton, Ohio, United States. It is the only secondary school in the Canton City School District and has two campuses: Downtown Campus and the main campus, which is known as McKinley Senior High School. Athletic teams compete as the Canton McKinley Bulldogs in the Ohio High School Athletic Association as a member of the Federal League.

Canton is a city in and the county seat of Stark County, Ohio, United States. It is located approximately 60 miles (97 km) south of Cleveland and 20 miles (32 km) south of Akron in Northeast Ohio on the edge of Ohio's Amish Country. As of the 2020 census, the population of Canton was 70,872, making Canton eighth among Ohio cities in population. It is the largest municipality in the Canton–Massillon metropolitan area, which includes all of Stark and Carroll counties, and was home to 401,574 residents in 2020.