Cameron Williams attended Duncanville High School in Texas and was a four-time all-district honoree in football. He helped Duncanville to a 13-2 overall record and an offense that averaged 47.4 points and 420 total yards per game. Williams was a four-star recruit who originally committed to the University of Oregon before changing his intentions to commit to the University of Texas.
In his true freshman season, Williams played in 13 games, primarily on the field goal unit. As a sophomore in 2023, Williams played in nine games with one start at right tackle. Williams was also a part of the Longhorns special teams unit.