The Greater Saskatoon Catholic Schools say they were notified Tuesday evening that is a positive COVID-19 case in an individual at four schools in the school division.

Those schools include Ecole Holy Mary Catholic School in Martensville, Bishop Filevich Ukrainian Bilingual School, Ecole Cardinal Leger School and Bishop Roborecki School.

The affected classrooms in all but Ecole Cardinal Leger School have switched to online instruction.