In three collegiate seasons, the North Reading, Massachusetts native notched eight goals and 25 assists for 33 points in 105 games along with a plus-17 rating.
The 6-2, 192-pound blueliner appeared in 33 games during the 2023-24 season, finishing with six goals, the most among Northeastern defensemen, and was named the Unsung Hero by his team. In his freshman season, he skated in all 35 of Northeastern's contests and finished with 31 blocked shots, tied for the fifth most on the team.
Before Northeastern, Dorrington played for Des Moines of the USHL, recording 11 points (3G-8A) in 41 games. He was named a 2022 BioSteel All-American.