Aiken High School is a four-year public high school located in Aiken, South Carolina, United States.

It is a part of Aiken County Public School District.

Aiken High School was founded in 1888 by the General Assembly of the State of South Carolina, and named Aiken Institute.

In 1935, the name was changed to Aiken High School.

In 1955, Windsor High School of Windsor, South Carolina consolidated with Aiken High School.