[1][3] Simpson began her collegiate career for Colgate during the 2019–20 season, where she recorded seven goals and five assists in 38 games.

During the 2020–21 season, in her sophomore year, she recorded one goal and seven assists in 23 games.

[8][9] Following pre-season mini camp, she signed a one-year contract with New York.

[10] Simpson represented the United States at the 2017 IIHF World Women's U18 Championship where she was scoreless in five games and won a gold medal.

She again competed at the 2018 IIHF World Women's U18 Championship where she recorded one goal and one assist in five games and won a gold medal.