Moodle 3.3 has new locations for Switch Roles and Grades
Switch Roles is now located in the user menu which is located in the top right of the screen in most themes. This menu is not supported by older themes.
To view grades for the current course, use the Grades link in the Navigation menu. To see a list of all enrolled course gradebooks, use the Grades link in the User Menu.
|Grades link in new Boost theme|
|Grades link in default Moodle theme|