[1] At age 17, he moved to France for a period of a few months, where he played thirteen games in the under-18 team of Nanterre 92, along with Victor Wembanyama, among other teammates.

[3] Mitchell played solely with the senior team during the 2020–21 season while maintaining his amateur status.

After the season, he committed to playing college basketball for UC Santa Barbara.

[4] Mitchell played in 27 games during his freshman season and was named the Big West Conference Freshman of the Year and second team All-Big West after averaging 11.6 points, 3.7 assists, and 2.2 rebounds per game.

[5] He averaged 16.3 points, 5.1 assists, and 2.7 rebounds per game and was named the Big West Player of the Year during his sophomore season.