Check course description to identify prerequisites for the courses you wish to take. Some courses have prerequisite recommendations (suggest that understanding of topic builds upon recoomendations); other courses have "hard wired" pre-requisite (ACES will not allow students to register unless the student have completed the prerequisite).
Complete the introductory/survey courses as soon as possible. These courses provide broad surveys of specific areas of Psychology, and will serve as a foundation to later courses. Indeed, some upper-level courses require completion of one or more of these survey courses as pre-requisites. If you wait to take these courses until late in your academic career:
Complete the Statistics and Laboratory Methods requirements prior to upper level seminars. The bulk of the readings assigned in seminar courses are recently published primary journal articles. In order to effectively digest these readings, it is important to have a solid understanding of experimental and quantitative methodology. By completing courses in Statistics and Laboratory Methods prior to enrolling in seminar courses, you will be better equipped to: