How can my students see my files after I published them to a module? Right now, they get an error message that the module is not published but I did publish it.
Please check the the Module itself is published. You state that you have all of the content in the Module published, but it is a common mistake for users to forget to publish the actual Module. You should see a green circle with a check mark on the right side of the Module title:
Retrieving data ...