We all know the importance of getting good grades. From time to time, an instructor will make an error and record a lower grade than the student earned on an assignment. When that happens, most students call it to the instructor's attention so the error can be corrected. What should a student do when an instructor makes a mistake and awards too many points for an assignment? Does the student have a quasi-contractual obligation to notify the instructor? Does the student have an ethical obligation to notify the instructor? What risks does the student have in this situation?