<p>You aren’t locked into any school - and can take classes in any area. (Only exceptions are the conservatory and the archi program for locked programs). Although you designate a school on your application, that is just so that they can review your application with other candidates with similar interests and so that they can start you out with an advisor in your area. No problem. DD switched majors many atime before settling on one. DS switched beginning of junior year.</p>