If you haven't yet decided on a major and aren't sure how to decide, read How to Choose a Major and Investigate Careers . How to declare a major There are three types of majors, in terms of admission requirements. Majors with prerequisites can be declared as soon as the prerequisites are completed. Competitive majors require specific prerequisite courses and usually a minimum GPA, but meeting the minimum requirements does not guarantee admission. In each application cycle a limited number of places are available, and the competitiveness of the major depends on how many students apply.
Some competitive majors admit students only once per year.
For the admission requirements of majors you are considering, refer to the list of undergraduate majors and follow the links. Contact department advisers if you have questions. A number of majors offer regular information sessions . Your current department signs the form, and then you take the file and the form to the adviser in your new major. That adviser keeps your file and sends the form on to the Registrar's Office, where your major code is changed.