<p>w3kil,</p>
<p>its mostly location, but there are other factors. the stanford matriculants are almost invariably cali/west coast residents and internationals. andover has the yale tradition, and MIT is just flat-out better than stanford (again..no offense!) in sciences, and that's what many of the cross-admits are interested in. also, on the east coast stanford isn't as well-respected. the ivies: yale (10/15) and columbia (10/13) and harvard (17/22) and princeton (7/11) get consistently great yield from here.</p>