Dumas High School (DHS), formerly Dumas New Tech High School, is a comprehensive public secondary school located in Dumas, Arkansas, United States, for students in grades ten through twelve. Dumas is one of two public high schools in Desha County and is the sole high school administered by the Dumas School District. It serves territory in Desha and Lincoln counties, including Dumas, Gould, and Mitchellville. It also serves Arkansas Department of Corrections prison property (Cummins Unit).