Hartland High School is a public high school located in Hartland Township, near the historic village of Hartland, within Livingston County, Michigan. During the 2023-2024 school year, the school enrolled 1,655 students in grades 9 through 12.
The current high school building opened in September 2003. The former high school became the district central office.
Hartland High School athletics changed conferences from the Kensington Valley Conference to the Kensington Lakes Activities Association at the beginning of the 2008 school year.