College students use both formal and informal processes when making decisions related to course selection. They often get course-registration advice through formal on-campus "institutional" resources and off-campus "non-institutional" resources. In April 2016, Michael Dunlop and a student in his Data and Decisions Analysis course at Suffolk University reviewed these practices from higher education institutional academic advising centers, as well as professional organizations whose mission is focused on excellence in academic advising. More specifically, they examined the website Rate My Professors (RMP) (https://www.ratemyprofessors.com/About.jsp), analyzing data from 50 students who use RMP. The results provide evidence of the popularity of RMP as a resource that college students use in making course-selection decisions. In addition, more recent anecdotal evidence suggests that RMP remains a source of information students use in making course decisions. College students employ a variety of techniques during the course-selection and registration process. This article highlights some of the many formal and informal systems of advising, including RMP, available to students to guide them during the course-selection and registration process and the implications of those systems.