If you don't have one already, add a custom user field (admin / Users / Accounts / Profile fields) using the 'Text input' type with max length set to a small value e.g. 32. Select this field as part of user identity (admin / Users / Permissions / User profiles -> Show user identity - select it from the checkboxes). Edit a test user account profile and give them a value for the custom field. Create a course Create a couple of simple quizzes with a few questions Enrol the test account in that course. Attempt the quizzes as test user If necessary grade the questions need grading as an editing teacher. In the Course administration click on Gradebook setup Then in Grade administration click on Grader report Verify that you see a new column with the user custom field in the Grader report table