<p>If your grades drop really precipitously, you may have to write a letter of explanation which will go to your faculty advisor before you start school and if it’s exceptionally bad you might start on academic probation. Being rescinded usually is reserved for people who failed classes or failed to graduate. Since HS is likely much easier than anything you’ll take at Wesleyan, you may as well not slack off.</p>
<p>BTW, to the OP, if you talk to admissions and okay the switch first it’ll probably be fine… but don’t take my word for it.</p>