Open SpeedGrader from any assignment, graded discussion, or quiz.
Click the Settings icon [1]. In the settings drop-down menu, select the Options link [2].
To hide the student names, click the checkbox next to Hide student names in the SpeedGrader.
Note: If the checkbox to hide student names is not visible in SpeedGrader settings, anonymous grading has been enabled for the assignment.
Click the Save Settings button.
View the student drop-down menu and verify that all student names are hidden.