According to this article from CBC News, "Preliminary findings from a survey of the grounds at the former Kamloops Indian Residential School have uncovered the remains of 215 children buried at the site, the Tk'emlúps te Secwépemc First Nation said Thursday." These children are among the estimated 150,000 Indigenous children in Canada who were forcibly separated from their families and sent to residential schools, 4,100 of whom died at the schools.