Mac Cumbo compiled an impressive slate as a high school coach as well as an administrator. Cumbo, a graduate of Thomasville High School and Western Carolina University, began his teaching and coaching career at Flat Rock Junior High and was very successful before moving to the high school ranks He was head football coach and athletic director, first at Edneyville and then at the new North Henderson school. He guided teams to the football playoffs at both schools and also served in other capacities, including on the NCHSAA Realignment Committee and as president of two different conferences. Cumbo served on the Board of Directors of the North Carolina Athletic Directors Association, including a term as president in 1997-98, as well as the Board of Directors of the North Carolina Coaches Association with a term as president.  He also had a stint on the NCHSAA Board. He was inducted into the North Carolina Athletic Directors Hall of Fame in 2004 and is an active member of Mud Creek Baptist Church.