Cedar Hill High School (CHHS) is a comprehensive public high school located in the city of Cedar Hill, Texas (USA) in Dallas County and is classified as a 6A school by the UIL. It is a part of the Cedar Hill Independent School District located in southwest Dallas County. In 2018-19, the school received a "C" rating by the Texas Education Agency The district, and therefore the school, serves most of the city of Cedar Hill and portions of Grand Prairie, Ovilla, Duncanville and Dallas.