<p>Where should I mail all credentials? Directly to the undergrad office?</p>
<p>Here you go:</p>
<p>Send application materials through U.S. Postal Service to:</p>
<p>Office of Undergraduate Admissions
Washington University
One Brookings Drive
PO Box 3403
St. Louis, MO 63143-0403</p>
<p>Send application materials through express courier (UPS, FedEx, DHL, etc.) to:</p>
<p>Office of Undergraduate Admissions
Washington University
Room 010, South Brookings Hall
One Brookings Drive
St. Louis, MO 63130-4899</p>
<p>Good luck!</p>