Sports Illustrated named Peppers one of their "Future Game Changers", a group of fourteen young athletes who are considered to be the brightest talents of their respective sport (such as Sarah Hendrickson, Jahlil Okafor, and Taylor Townsend).
Nunn was selected for the USA team that competed in the 2012 FIBA Under-17 World Championship in Kaunas, Lithuania from June 29 – July 8, 2012 along with Simeon teammate Parker and Whitney Young rival Jahlil Okafor.