Co-Teachers Courses Add another teacher to your K–12 course. If needed, you can also remove them. Add Teachers to a ClassAdd a co-teacher to your MindTap for K–12NGLSync course. Remove Teachers from a ClassRemove a co-teacher from your course. Was this helpful?FEEDBACK :: Was this helpful? thumb_up YesFEEDBACK :: Was this helpful? thumb_down Nocheck_circleThank you for your feedback.