He was named NBL Canada Newcomer of the Year[1] and earned All-NBLC honors in the 2014–15 season.
[2] At Austin Peay State University, he earned All-Ohio Valley Conference honors in 2011.
[3] As a senior in high school, Edmondson played prep basketball at University Heights Academy in Hopkinsville, Kentucky under head coach Randy McCoy.
Edmondson averaged 18.4 points, 6.7 rebounds, 4.3 assists, and 2.7 steals per game, powering his team to a Kentucky High School Athletic Association (KHSAA) district and regional title.
[4] On April 30, 2008, Edmondson verbally committed to play for St. John's at the NCAA Division I level.