To access the classroom list:
On the Locations and Classrooms tab, classrooms appear under the location to which they belong. Expand a location to see the classrooms available.
You can perform the following to maintain your classrooms:
Adding a new classroom includes it in the prepopulated list of classrooms for an associated location.
Deactivating a classroom removes it from the prepopulated list visible when creating a live course, but keeps it in the Locations and Classrooms list as inactive. If you have active courses and classes using a classroom that you are going to deactivate and you open that course or class to make an edit, you must update the classroom with a new option.
Activating a classroom immediately adds it to the prepopulated list visible when creating a live course.