<p>In case anyone cares, in terms of student distribution and according to their respective websites, Duke and Northwestern’s classes of 2013 are as follows:</p>
<p>DUKE</p>
<p>36% Southeast (including 13% from NC)
17% Middle Atlantic/Middle States
14% Northeast/New England
10% Midwest
13% West
10% International</p>
<p>NORTHWESTERN</p>
<p>43% Midwest (including 25% from IL)
17% Middle Atlantic/Middle States
5% Northeast/New England
10% Southeast
5% Southwest
14% West
6% International</p>
<p>Classifications probably differ somewhat, eg, Duke classifies Texas as Southeast while NW has the Lone Star State as Southwestern.</p>