Beau Chêne High School is a public secondary school located in southeastern St. Landry Parish between the communities of Grand Coteau and Arnaudville in the state of Louisiana, United States. The school was founded in 1991 when Sunset, Leonville, and Arnaudville High Schools were consolidated to form one centralized high school. The school serves the communities of Arnaudville, Cankton, Grand Coteau, Leonville, and Sunset. It is located at 7076 Highway 93, Arnaudville, Louisiana. Beau Chene High School has been cited for demonstrating inclusion among all their students.