Background
He was born in Rice Lake, Wisconsin and attended Rice Lake High School.
He was born in Rice Lake, Wisconsin and attended Rice Lake High School.
Ellenson played basketball at Rice Lake High School, where he also competed in track and field (high jump, discus). During his freshman year (2011-2012), Ellenson averaged 12.0 ppg., 7.0 rpg., 1.5 apg. and 1.5 bpg. The next year (2012-2013), sophomore Ellenson averaged 21.5 ppg., 11.8 rpg., 3.5 apg. and 1.8 bpg.
Career highlights and awards At the conclusion of the 2015-2016 regular season, he was selected to the First Team All-Big East.
Ellenson scored a career-high 48 points against Minnetonka High School on 12/6/14. 2013 MaxPreps Sophomore All-America honorable mention. 2013 Wisconsin Basketball Coaches Association Division 2 All-State first team 2013 Associated Press All-State second team 2013 Eau Claire Leader-Telegram Northwest Wisconsin Player of the Year, first sophomore to win the award. 2013 Eau Claire Leader-Telegram All-Northwest first team, 2013 Saint Paul Pioneer Press East Metro Player of the Year. 2013 Big Rivers Conference Player of the Year and All-Big Rivers first team 2012 All-Big Rivers Conference.
In August 2014, Ellenson was a member of the United States" National Team at the 2014 International Basketball Federation Under-17 World Championship in Dubai, scoring 21 points in the quarterfinal game with China.
