	Williams played four seasons of college basketball for UC Santa Barbara between 2011 and 2015, finishing his career as the Gauchos' all-time leader in rebounds and second all-time leading scorer. As a junior in 2013–14, he was named the Big West Conference Player of the Year. He also earned first-team All-Big West honors as a sophomore, junior and senior, and led the NCAA in rebounding as a junior and senior. In 112 games (101 starts) over his four-year career, Williams averaged 15.5 points, 10.0 rebounds, 1.0 assists, 1.0 steals and 1.9 blocks in 27.0 minutes per game.