At Middle Creek HS: Wallace was a two-time pitcher of the year in her conference while at Middle Creek High School leading her team to back to back conference championships and a 2014 regional final appearance. Last season, she recorded 92 k's in 49 innings with a .073 ERA and six earned runs. At bat, Wallace hit .528 scoring 22 runs and had 23 RBIs, two homeruns and six doubles. During the 2014 season she had a career high of 162 k's in 91 innings with a .53 ERA and eight earned runs. In both seasons, Wallace was named to all-conference, all-district, and all-state.