COVID-19 and staffing concerns.The London District Catholic School Board announced Saturday students would be learning remotely after at least eight confirmed COVID-19 cases affecting both staff and students across multiple classrooms.Some of the eight cases are a variant of concern under investigation by Southwestern Public Health.The LDCSB said they were “forced to make this difficult decision” after ongoing teacher and educational assistant shortages.[ Sign up for our Health IQ newsletter for the latest coronavirus updates ]The school board estimates at least two-thirds of the school’s 350-plus students and staff are self-isolating after coming in close contact with positive cases.The school will be closed until at least March 28 and.