 The Mustangs have returned to the post-season each year since, advancing to bi-district in 2013.Overton's academic and fine arts programs are notable as well, with the marching band winning numerous state marching competitions throughout its history and the Theatre department making a string of State UIL One Act Play appearances, with a 20-year streak of district championships led by longtime Drama instructor Lillian Cohagen, who retired in 1980 .In 1997 OHS won a state Class 1A One Act Play championship with "Confederate Letters", written and directed by Barre Gonzalez.