Grayson graduated from Lakeville South High School in 2014. While attending Lakeville South she was a 4 year varsity player and held the record for most made 3’s in a single game, season, and career. In 2018 Grayson graduated from Luther College with a degree in Exercise Physiology. At Luther her team made it to the D3 National Tournament in 2015 and were also IIAC Conference Champions in 2016. The last few years she have been coaching the 8th Grade girls traveling basketball team at Lakeville South as well as coaching AAU for Crossfire.