Setting up the classes properly is the key to successful deployment. As well a requirement for mapping properly to Ontario Education Board provincial report cards.
(Learn more about Grade Set: https://ad-din.atlassian.net/wiki/x/mwITAQ)
(Learn more about Messages: https://www.youtube.com/watch?v=gp5XsVU75VM)
Note: Deleting a Class is disruptive. This Action can't be reversed, the associated history if any of this Class will be lost. Instead de-link all Class sections from the teacher first and rename it with prefix "Don't use – class name" or as desired, or carefully analyze and then decide to delete.