<p>On the common application, I listed a US history as a test "To be taken" for December. However, I got into Stanford early action and decided not to take it. The last SAT test they accept is October for Early Action anyway.</p>
<p>Then don’t worry. They accepted you based on the merits of your application. The only cases that I’ve heard of an acceptance being threatened is if your grades dropped to straight Fs at the Midyear Report or you were arrested after robbing a drug store to fund your Neo-Nazi crime wave.</p>