<p>Look up the recommended curriculum for the computer science major at your school and plan your schedule accordingly (adjust for any applicable AP credit, though for subjects like math, you may want to review the college’s old final exams for the courses you are allowed to skip before skipping them).</p>
<p>You may also want to check if your school has any administrative limitations on changing your major.</p>
<p>If you are more interested in computer science than your current major, then change your major if you can, because it may affect advising and/or registration priority.</p>
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<p>Few students are choosing between Princeton and Rutgers because few get into Princeton. Most are choosing between more expensive schools like Penn State, Pittsburgh, Temple, etc. versus Rutgers. Some even choose such a more expensive school even when Rutgers offers them a big scholarship.</p>