Silverthorn Collegiate Institute, located in the area of Mill and Burnhamthorpe roads, has been given the all-clear by Toronto Public Health, officials said Monday.

"[Toronto Public Health] continues to investigate this COVID-19 outbreak, including following up with close contacts, providing guidance, and recommending whole-school testing."

Abby Fedosoff was a happy 15-year-old girl who loved her friends, was extremely close to her brother, loved going to school and had a real talent for art. But behind the smiles Abby was in pain.