Open gradebookClick Grades on the left side of your course page to open the gradebook.
Click the Categories and Items tab
Find the activity or category that you want to hide from your students and click the hide icon, which looks like an open eye . Once hidden, the icon will change to a closed eye .
Hide grades by activity or category
Warning: Hiding a category total will hide the entire category and its contents. If you want to hide just the category total, click the pencil icon to edit that category, then change the Grade type to None.