In 20 10, Stanley Johnson entered Medi High School and won four state championships with the team in four years. In high school, he could call 1 to 4, and he could defend his opponent in every position.

In his sophomore year, Stanley played 35 games as a starter, averaging 16 points, 8 rebounds, 2 assists and 3 steals, and was selected for the national development team. In his senior year, Stanley still played all the games as a starter, averaging 18 points, 8 rebounds, 2 assists and 3 steals, leading the team to a total victory in 35 games. In his senior year, Stanley played all the games as the absolute core of the team, averaging 25 points, 8 rebounds, 2 assists and 3 steals. The team won 35 wins again and won an amazing four consecutive championships in California's first-class league.

In 20 14, Stanley was selected as McDonald's All-Star, Jordan Classic and Nike Basketball Summit respectively.

University period

In 20 14, Stanley Johnson entered the University of Arizona.

In the season of 20 14- 15, Stanley Johnson played in 38 games, averaging 6.5 rebounds 13.8 points/0.7 assists/0.5 steals, shooting percentage was 44.6%, and three-pointer percentage was 37./kloc-. He was selected in the first round of the 12 best team in the Pacific, won the best rookie in the division, and was also selected as the best team in the United States.