She represented Team Ontario at the 2011 Canada Winter Games. During the 2011–12 Canada women's national ice hockey team season, she was a member of the Canadian National Under 18 team that participated in a three-game series vs. the US in August 2011. She scored a goal in the gold medal game of the 2011 Canadian National Women's Under-18 Championships for Team Ontario Red. In the first game of the 2012 IIHF World Women's U18 Championship (contested on December 31, 2011), Laura Stacey accumulated three points in a 13–1 rout of Switzerland.