Quiz: Hide Grades
Suppressing quiz grades in Moodle from students until a desired time.
Instructors may be interested in hiding quiz grades from students until a certain point in time. To do this, go to Edit Settings of the Quiz Activity in Moodle, under Review Options, deselect the Points option under Quiz attempts. This will hide quiz grades from students in their grades area in Moodle. When you are ready to reveal quiz grades, return to Edit Settings, and check the Points options.
Click image below to view 7 min video step by step tutorial on how to do this: