In his senior year of high school, Bryant led the Aces to their first state championship in 53 years. During the run, he averaged 30.8 points, 12 rebounds, 6.5 assists, 4 steals, and 3.8 blocked shots in leading the Aces to a 31–3 record. Bryant ended his high school career as Southeastern Pennsylvania’s all-time leading scorer at 2,883 points, surpassing both Wilt Chamberlain and Lionel Simmons.
Bryant became the first freshman in decades to start for Lower Merion’s varsity team, but the team finished with a 4–20 record. The following three years, the Aces compiled a 77–13 record, with Bryant playing all five positions. During his junior year, he averaged 31.1 points, 10.4 rebounds, and 5.2 assists and was named Pennsylvania Player of the Year while also earning a fourth-team Parade All-American nomination, attracting attention from college recruiters in the process.
Bryant received several awards for his outstanding performance during his senior year at Lower Merion. These included being named Naismith High School Player of the Year, Gatorade Men’s National Basketball Player of the Year, a McDonald’s All-American, a first-team Parade All-American and a USA Today All-USA First Team player.