Grand Blanc High School (GBHS) is a public high school in Grand Blanc, Michigan, in the United States.

It is managed by Grand Blanc Community Schools.

The demographic breakdown of the 2699 students enrolled for the 2012–2013 school year is as follows:[3] The following sports are offered at Grand Blanc:[6] Most teams participate in the Saginaw Valley League as of 2018.

[11] Grand Blanc High School's FRC team the "EngiNERDs" (Team 2337) qualified for the FIRST Championship in Houston, Texas in the 2023 season.

[12] The Grand Blanc High School Quiz Bowl team competes in Michigan Quiz Bowl as part of the NAQT.