<p>First, do realize, Stanford and Princeton do not offer undergrad business programs.</p>
<p>IMO it would be a bad idea to explain bad grades by saying you were running a business. Colleges will expect you to focus on your high school work and may be afraid you’ll repeat this behavior in college.</p>
<p>There’s not a lot of room for less than top grades at Wharton, Stanford and Princeton. There’s slightly more flexibility at the others.</p>