<p>Do we have to formally notify all the schools who accepted us that we don't want to go to? I'm international and that would mean a huge mailing fee.</p>
<p>Why don’t you email them?</p>
<p>Yes, e-mail them and politely explain that you chose to attend somewhere else, but that you appreciate their offer and time.</p>
<p>Email the undergraduate admissions office directly?</p>
<p>Yes. They want to know your answer, you know.</p>