DeSoto High School is a comprehensive public high school in DeSoto, Texas, United States. It is part of the DeSoto Independent School District and is classified as a 6A school by the UIL. In 2015, the school was rated "Met Standard" by the Texas Education Agency. The district, and therefore the school, serves most of DeSoto and the Dallas County portion of Glenn Heights, and a portion of Ovilla in Dallas County, as well as a small portion of Cedar Hill.