Co-teachers are supported by Savvas Realize.

To add co-teachers, first make sure the co-teacher is enrolled as a Teacher in your LMS course. Once you add the co-teacher to your LMS course and the co-teacher opens a Savvas resource from within your LMS course, Savvas Realize will add them to the class in Savvas Realize.

In Realize, you will see the names of the other teachers of your class. In the example below,  I can see that Katie Winer is a co-teacher in my class: