If you need to delete a Class, here's how.
Step 1 - Classes Page
Head over to your Classes page (left menu).
Step 2 - Remove Enrollees
NOTE: No Enrollees can be in the Class to delete a Class.
To remove Enrollees, click the select all checkbox and the "--Class," "--Day," or "Reassign" button to move all Enrollees to Unassigned or another Class.
Step 3 - Delete Class
After removing Enrollees, click the pencil icon to open the Class editor.
Click "Delete Class." You will get a warning to make sure you want to delete it. Click the warning to delete.