<p>I sent in 3 supplements that had no essays through commonapp. I put undecided as my major for all 3, but I decided that I don't want to apply undecided. Is there any way I can go back and change that, perhaps call the school?</p>
<p>I would send a signed letter to the admissions office that includes your name, address, social security number, high school and how you had submitted your app (which probably would be online common app).</p>
<p>I’ve heard some colleges say that they allow you to change your program if you let them know early enough. Sooner the better.</p>