Ellender led the Arkansas State program to three consecutive Pecan Bowl games, which was one the regional bowl games set up for the NCAA College Division to choose a champion. His 1970 team finished 11–0 and was ranked #1 in the final polls, earning his team the College Division championship. Ellender was selected AFCA College Division Coach of the Year following the season. After the 1970 season, Ellender left ASU to become head football coach at his alma mater, Tulane.