COVID-19 outbreak at Yorkton Regional High School (YRHS) on Sunday after several students tested positive for the novel coronavirus.According to a letter sent to staff and families from the Good Spirit School Division, four people associated with the high school tested positive for the virus.In a press release on Sunday, the government described the individuals as “a cluster of students.” Second COVID-19 case confirmed at Holy Cross High School in Saskatoon The source of infection is believed to be from community spread, says the government.Following the advice of the local chief medical health officer, the school has closed and starting Tuesday, all classes will move online.Monday classes have been cancelled to allow staff to transition.