Before BYU
- Four-year letterwinner in basketball
- Named Athlete of the Year in basketball
- Two-time Honorable Mention
- Two-time Second Team All-State (2016 & 2017)
- Two-time Second Team All-Tournament (2015 & 2016)
- First-team All-Tournament in 2017
- Averaged 9.3 points, 2.1 steals and 2.0 blocks during senior year
- Three-time letterwinner in volleyball
- Named Honorable Mention in 2016
- One-year letterwinner in track & field
- Member National Honor Society
- Played on the Idaho Hoop Dreams club team
Personal
- Born in Boise, Idaho
- Parents are Michael and Karen Mangum
- Has three brothers and one sister
- Brother Tanner is on the BYU football team