Navigate to Go Guardian from Clever.
Click an active class period.
Click "Settings"
Click "Scheduling"
Click "Add Schedule"
Click Monday-Friday
Click "Start Time" and put in the start time for the period. Make sure that you have an exact time that does not overlap with a passing period. Do the same with "End Time" and put in the end time for the period.
Click "Add Schedule"
You will then see the scheduled sessions. Go back to the Classroom tabs and complete the setup for each of your classes.