Waterloo Region District School Board says a student was in a Kitchener elementary school on Tuesday before testing positive for COVID-19.In a release, it says Waterloo Public Health has “identified all high-risk contacts of the positive case and will provide individual guidance to them.” Staff member at Waterloo school was in building while awaiting COVID-19 test results, board says The board says two student cohorts at Meadowlane Public School and some staff members have been told to self-isolate as a result.Those who are not considered high-risk contacts will not be getting a call from Waterloo Public Health.On the Waterloo Public Health website, residents are directed to remain in self-isolation after a test until receiving their.