Look at the list of a current quiz for participants who are done but have not been scored.
Go to their talk page and review their answers.
Enter their score at the Scores page, noting that this quiz was their most recent entry.
Go back to their talk page and copy and paste their entry template to the Bin, and replace it (on their talk page) with this template: {{WikiQuizDone|SCORE|~~~~}}.
Go back to the quiz participant list and sign (~~~~) that you scored them.