[3] The 2018–19 NSU University team, which included Vernon Carey Jr., Scottie Barnes and Taylor Hendricks as well as the Howard brothers, successfully defended its FHSSA Class 5A State championship with a victory over Andrew Jackson High School, despite Carey being sidelined for the championship game.

[6] At IMG, Howard and teammates Jaden Bradley and Michigan Wolverine commit Moussa Diabaté went to the 2021 Geico National Semifinals where they lost to Sunrise Christian Academy.

[7] With teammates Keyonte George and Jarace Walker, Howard and IMG lost the 2022 National semifinals to the Dariq Whitehead-led Montverde Academy.

[9] By May, Howard had slipped to the 40th slot in the National Class of 2022, but he excelled as the MVP of the Allen Iverson Roundball Classic despite the participation of seven top-20 players (George, Cason Wallace, Kel'el Ware, Walker, Brandon Miller, Arterio Morris and Anthony Black) on a 20-point 9-for-12 shooting performance.

[10][11] Despite having a major college basketball head coach (Juwan Howard) for a father, he pushed for a normal recruiting process.

[14][15] His inner circle for his decision making included his mother and aunt, who accompanied him on school visits,[16] unlike his father who was competing for his commitment.

[17] On October 13, 2021, Howard committed to play for his father and with his brother Jace for the Michigan Wolverines men's basketball team.

[16][18][19] On November 13, 2021, Howard and other members of Michigan's class of 2022 (Gregg Glenn, Dug McDaniel and Tarris Reed Jr.) signed their National Letters of Intent.

[35] In his November 22, G League debut, he posted 34 points with 7 three-point shots made against the Rio Grande Valley Vipers at Bert Ogden Arena.

[6][43] His father had a 21-year career in the NBA before becoming the Michigan Wolverines basketball head coach at his alma mater, and was playing for the Orlando Magic at the time of Jett's birth.