Article content COVID-19 continues to rifle through schools in the Sudbury area. On Sunday, the Rainbow District School Board announced that all classes for in-person students at Walden Public School will be delivered remotely to, and including, Friday, March 12. We apologize, but this video has failed to load. Try refreshing your browser. Walden Public School closed for this week; RL Beattie Kindergarten class to learn at home  Back to video The situation will be reviewed for the following week, the board said in a release. The board said it is âassessing the impact of another confirmed case of COVID-19 at the school. This case is being considered as a possible variant of concern.