Joshua Michael Richardson was born in Edmond, Oklahoma, to Michael and Alice Richardson. He has an older sister, Alex, who played both volleyball and basketball in college. Josh attended and played basketball at Santa Fe High School in Edmond. During his senior year, he posted per-game averages of 16.5 points, 6.2 rebounds and 3.6 assists. Richardson was subsequently named to the Oklahoma Coaches Association Large West All-State Team and The Oklahoman's Super 5 first team. As a college student and basketball player with the University of Tennessee, Richardson participated in exhibition tours of Poland, Germany and Jamaica with Athletes in Action. After reaching the NBA, he held a free two-day youth basketball camp in his hometown of Edmond, Oklahoma, in the summers of 2017 and 2018. Learn more about Richardson by following him on Twitter (@J_Rich1) and on Instagram (@jrich_0).