Can teachers "turn off" the invitation code before it expires?

Yes, to “turn off” an active invitation code you will need to update the expiration date. 

1. Click the class with the active invitation code
2. Click “View Details” in the invitation code banner
3. Click “Change”
4. Select “Now” and click Save

If additional students need to be created after the invitation code has expired, you will need to create a new one. Click here to see how to create a new invitation code.