Chuli competed as member of Team Canada at the 2012 IIHF World Women's U18 Championship. She joined a roster filled with other future hockey stars, including Cayley Mercer, Laura Stacey, Erin Ambrose, goaltender Emerance Maschmeyer, and future Toronto Six teammate Taylor Woods. Chuli was in the crease for two of Team Canada’s five games, playing the full 60 minutes in each. Against Germany in the group stage she posted a 6–0 shutout and, five days later, she posted a 7–0 shutout against Sweden in the semifinals, cementing herself as the top goaltender of the tournament, with a 1.000 save percentage and 0 goals against average. Her performance helped Team Canada sweep the tournament and win the gold medal that year.