2013-14: Tage Thompson, son of former NHL defenseman Brent Thompson, played for the P.A.L. (Pride in Athletics for Life) Junior Islanders’ U16 team in the USPHL. In 16 games for that team, he scored 17 goals and added 14 assists for 31 points. Thompson announced his commitment to the University of Connecticut for the 2015-16 season.
2014-15: Thompson competed for the U.S. NTDP squad that competes against USHL teams, as well as other junior and college teams. In 25 USHL games, Thompson scored 7 goals and added 7 assists for 14 points to go along with a +10 rating. Thompson also played in 64 games against non-USHL competition, netting 12 goals and adding 14 assists for 26 points. Thompson competed in international play for USA Hockey at the 2015 U18 World Championship where he picked up an assist in 7 games for the gold medal-winning USA squad.
2015-16: Thompson competed in his freshman season at the University of Connecticut. In 36 games for the Huskies, he scored 14 goals and added 18 assists for 32 points. Thompson was ranked 24th overall among North American skaters by NHL Central Scouting in their midterm rankings for the 2016 NHL Draft. He is ranked 22nd overall by ISS Hockey in their March rankings. Thompson was chosen in the first round, 26th overall, of the 2016 NHL Draft by the St. Louis Blues.