How to control if students can see your course, and what content they can see within the course.
Hide or Show Your Course
You can make the entire course visible or invisible to students at any time.
Go to Administration > Edit Settings and change the Visible setting to “Hide” or “Show”.
Hide or Show Individual Sections or Items
You can also just hide or show individual items within your course. For any topic, resource, or activity:
Click Turn editing on.
Click the “edit” button at the right
Toggle the “eyeball” icon.
Anything invisible to students will appear grey to instructors.