Williams was born in San Luis Obispo, California and has grown up in Gilbert, Arizona after his family moved there when he was young.

[2] As a junior, Williams was named the Premier Region Player of the Year after averaging 13 points, four rebounds, three assists, and two steals per game as Perry won the Class 6A state championship.

[3][4] Williams averaged 18.4 points, 6.7 rebounds, and four assists per game as a senior while leading the Pumas to a 30–1 record and a second consecutive state championship.

[8][9] On November 9, 2022, Williams committed to playing college basketball for Colorado after considering offers from LSU, Arizona, UCLA, and USC.

Sources: As a freshman, Williams averaged 11.9 points and 3.0 rebounds per game, helping the Buffaloes earn a berth in the NCAA Tournament.