[3] She attended law school at the University of Toronto and after graduating began working for McMillan LLP as a debt financing associate.

[5] St. Bernard was introduced to taekwondo during her time at law school by her aunt, who holds a black belt in the sport.

[4] At the 2009 World Taekwondo Championships in Copenhagen, Denmark, St. Bernard was eliminated in the first round of the women's welterweight event after losing to Sun Ai-chi of Chinese Taipei.

She lost her semifinal bout to Paige McPherson of the United States but earned her position at the Games by beating Costa Rican Katherine Alvarado by a score of 11–8 in the third-place match.

[5] She represented Grenada at the 2012 Summer Olympics in London, United Kingdom, in the women's 67 kg weight class.