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This setting determines whether the module appears in the list of modules for students.

To make a module invisible to students (hide it from students)

When the setting  Course visibility  (see above) When this is set to Hide, the module is hidden from students, and invisible to all apart from staff with appropriate access rights (such as Editing Teachers). 

Greyed out modules

If a module is "greyed-out" (appears in a paler colour) when an editing teacher looks at it then it is completely invisible to students.

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