<p>Yeah, I checked here and the non-refundable deposit is not due until May 1st for RD admits:</p>
<p>[Application</a> Deadlines and Options: Office of Undergraduate Admission - Northwestern University](<a href=“http://www.ugadm.northwestern.edu/apply/application-deadlines-and-options.html]Application”>http://www.ugadm.northwestern.edu/apply/application-deadlines-and-options.html)</p>