The teacher of a course record can authorize an individual at the site with a Teacher or Staff role to be a Co-teacher for a course.
The Co-teacher role grants access to all the tools for a shared course such as Gradebooks, class sites, calendars, lockers, curriculum, student trackers, and seating charts. The Co-teacher will also be automatically included as part of the Learning Management Team for students in the shared course.
This article provides reference information on choosing a co-teacher for certain period subjects.
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You can choose a co-teacher for only some of the period subjects that you teach. However, this can be done if you are willing to separate the co-taught class from the other sections. Contact School Loop Help Center for help with this.