If you have already synced with Clever and you would like to update your roster (e.g. you have a new student), simply log into your Whooo's Reading account and click Roster in the navigation bar.
Click the Add Students link in the upper right:
In the window that appears, click Clever on the right, and then click Update Roster:
Select the classes that you would like to update:
Then select the students you would like to sync and click the Complete Sync button:
You will see an orange banner in the top left of your account, indicating that a sync is taking place. It is okay to leave the page during this sync.