She made her debut for the Canadian national team in 2019 in a two-game series against the United States held in Pittsburgh, Pennsylvania.

[5] In August 2019, Thompson was named to Canada's Under-22/Development Team for a three-game series against the United States in Lake Placid, New York.

[6] Thompson debuted for the Canada women's national ice hockey team in 2019 in a two-game series against the United States held in Pittsburgh, Pennsylvania.

[7] After her junior year, Thompson finished third on the Princeton Tigers team in scoring, leading the defencemen with 28 points on 9 goals and 19 assists.

Additionally, she was an Academic All-Ivy League selection, named to the ECAC All-Academic Team, and was an AHCA All-American Scholar.

Due to increasing demands of her second year of medical school during the inaugural PWHL season, she received a compassionate waiver exemption to play for New York, but was unable to sign a full-time contract since she was only available when she did not have academic obligations.