Los Osos High School. Seven days later, he registered 52 points and 10 three-pointers in a victory against Damien High School. His team fell in the CIF Southern Section Open Division semifinals to Bishop Montgomery High School. After a 30–3 season, he was named All-Area Player of the Year by The San Bernardino Sun and Inland Valley Daily Bulletin. Ball was also a first-team All-State and honorable mention All-American selection by MaxPreps. In addition, he averaged 33.8 points per game as a senior, leading the state of California in scoring. College career Ball was a consensus three-star recruit. 247Sports.com ranked him outside of their top-200 recruits nationally and as the 50th best shooting guard in his class. Having already committed to play for the UCLA Bruins as a high school sophomore, Ball signed a letter of intent on November 2, 2016, and enrolled at the University of California, Los Angeles on June 1, 2017. He was projected to be a reserve for during his 2017–18 freshman season for UCLA. He played his only game with the Bruins in the preseason on November 1, 2017, against NCAA Division II team Cal State Los Angeles, scoring 11 points. On November 7, 2017, days before UCLA's regular season opener against Georgia Tech in Shanghai, China, Ball and two other freshman teammates were arrested in Hangzhou for allegedly stealing sunglasses from a Louis Vuitton store at a high-end shopping center near their team hotel. The trio potentially faced a fine and three to ten years in prison but were soon released from custody after U.S. President Donald Trump intervened on Ball's behalf and secured his freedom. Ball was suspended indefinitely from the UCLA basketball program. On December 4, he announced that he planned to withdraw from UCLA; his father LaVar had grown frustrated over the length of the suspension. Had Ball stayed at UCLA, he would have remained suspended for the rest of the season. Professional career Prienai (2018) Although Ball was not considered a prospect at the time for the National Basketball Association (NBA), he planned on preparing for the 2018 draft with his father after leaving UCLA. On December 11, 2017, he signed with Prienai of the Lithuanian Basketball League (LKL), along with his younger brother LaMelo, who left Chino Hills before his junior season. The brothers' move to Lithuania was heavily reported by American sports media. Prienai withdrew from the Baltic