For each of the following types of courses; a course with no students a course with suspended students (depending on user permissions, suspended students may or may not be shown in the gradebook) a course with students with grades a course with students with grades and groups (group mode set to separate/visible) Complete the following testing on the gradebook; Select Grades from the Course administration menu The Grader report will be displayed with the Student Search by Initials selector option Search students by firstname first initial Search students by surname first initial Search students by firstname and surname first initial Search students by firstname and surname first initials and groups In each case confirm the list of students is correct as expected compared with the complete list of students. Check that you are able to override student grades as usual both with no filter applied and a filter applied.