<p>You could write the common app essay about your history teacher and a supplementary essay about tennis. Have other people used the same subject matter in the past? Sure, but that doesn’t make it impossible to write great essays, especially if those subjects mean a lot to you. </p>
<p>The worst thing you can do is write an essay about drinking orange juice because it’s “unique, quirky, and no one’s used it before.” Hint: there’s a reason no one uses it.</p>