<p>Duke and Penn split admitted applicants, so there's general parity. Wharton is highly regarded for undergraduate business opportunities but is a bit of "trade school" by reputation. </p>
<p>Generally, the decision comes down to whether you prefer an urban feel and access to the northeast corridor (Penn) or more of a traditional college experience (Duke).</p>
<p>Congratulations on your choice -- I would ask each school to put you in touch with their international students to hear it directly from them</p>