Tronco was born and raised in Winnipeg, Manitoba, Canada to Filipino immigrants. At age five, she started acting in a theater arts academy. At age eight, she performed in Rainbow Stage's production of Joseph and the Amazing Technicolor Dreamcoat as part of the children's choir. In school she juggled dance competitions, school plays, and part-time jobs. At age 15, she graduated from high school and went to the Canadian College of Performing Arts in Victoria, British Columbia. While attending college six days a week, she regularly traveled to Vancouver for auditions.
After the two-year program, she moved to Vancouver to pursue her career full-time. She got her first break when she was cast in a guest appearance on The CW's Cult in 2013. She appeared in the Disney Channel's original movie Zapped. She also played Jodi Mappa on Make It Pop, a half Jewish dancer who is a freshman at Mackendrick Prep.
