Bradley originally grew up in Rochester, New York.[1] His family moved to Charlotte, North Carolina while he was in elementary school and attended the Cannon School in Concord, North Carolina.[2] Bradley was named the 2020 North Carolina Gatorade Player of the Year after averaging 23.1 points, 6.4 rebounds, 6.1 assists, and 2.9 steals per game.[3] He transferred to IMG Academy in Bradenton, Florida before the start of his junior year.[4] Bradley averaged 11.4 points and led the team with 4.6 assists and two steals per game in his only season at IMG.[5] He was selected to play in the 2022 McDonald's All-American Boys Game at the end of the season but couldn't due to injury.[6]
Bradley entered his freshman season at Alabama as the Crimson Tide's second-string point guard.[10] He became a starter in December after starting guard Nimari Burnett suffered a wrist injury.[11] On April 4, 2023, Bradley entered the transfer portal. On May 3, 2023, he committed to Arizona.[12]