[2][3] He won three letters at Williston and in football totaled 86 tackles, 19 pass deflections and eight interceptions in his career; he also played on offense and recorded 983 rushing yards and 11 touchdowns with a 9.5 yards-per-carry average as a senior in 2019.

[7] Mitchell remained a full-time starter in 2022, starting all 14 games while posting 41 tackles, 25 passes defended (which led the country), five interceptions, and 3.5 TFLs.

[4][10] Mitchell was selected first-team All-Mid-American Conference (MAC) and was a second-team All-America honoree by the Walter Camp Foundation.

[18] During his rookie year, Mitchell was known for his consistent coverage skills against receivers such as Drake London, Ja'Marr Chase, and Mike Evans.

[19] Most notably, during the Week 11 Thursday Night Football matchup between the Washington Commanders, Mitchell held wide receiver Terry McLaurin to 0 targets, 0 receptions, and 0 yards.