In 1924, Mehre came to the University of Georgia as an assistant coach under George Woodruff. Upon Woodruff's retirement, Mehre became head coach and compiled a 59–34–6 record over ten years.
In 1924, Mehre joined the University of Georgia as an assistant coach under George Woodruff. Upon Woodruff's retirement, Mehre became head coach and led the team for ten years with a record of 59 wins, 34 losses, and six ties.