Co-Teachers NGLSync K–12 Teacher Help > Courses Add another teacher to your K–12 WebAssign course. If needed, you can also remove them. Add Co-Teachers (NGLSync)Add a co-teacher to your WebAssignNGLSync course. Remove Co-Teachers (NGLSync)Remove a co-teacher from your WebAssign course. Was this helpful?FEEDBACK :: Was this helpful? thumb_up YesFEEDBACK :: Was this helpful? thumb_down Nocheck_circleThank you for your feedback.