In June 2021, 751 unmarked graves were found on the school grounds by the Cowessess First Nation, the most found in Canada to date according to the Federation of Sovereign Indigenous Nations (FSIN), which represents Saskatchewan's First Nations.[1][2][7] This marks the second discovery of unmarked graves in Canada in 2021, following the discovery of 215 unmarked graves at the Kamloops Indian Residential School the previous month.[8]