Hi, @kelsey_lick . The short answer is that I don't think this is possible using stock Canvas functionality. Courses divide students purposefully and in some educational scenarios, it is very important (perhaps even required by law) that students from different courses cannot interact with each other. In a scenario where this is not as important, I would consider using course sections. Although, this may not be an ideal solution for other reasons. Here is a guide on course sections, https://community.canvaslms.com/docs/DOC-12971
For a solution that allows students from different courses to interact with each other outside of course sections, I would recommend looking at a separate conferencing or communication solution. You could look at a standalone version of BigBlueButton (the tool that powers Canvas Conferences) if you are happy with the existing functionality, but want more control over how you use it.
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