From the left navigation menu, click Classes > Class Admin.
Locate the class you'd like to edit and click the gear icon.
Navigate through the tabs and make the desired edits.
When finished, click Save & Close.
To Bulk Edit:
NOTE: Edit only basic information in bulk.
In the side menu, click Classes > Class Admin.
Locate and check the boxes of the desired classes.
Click Edit.
Click Multi-Edit Basic Info.
Make the desired edits to the selected classes.
When finished, click Save.