What are the best things to be involved in if applying to ivy leagues?

Colleges & Universities Columbia University
3

<p>Read the following:</p>

<p><a href=“http://talk.collegeconfidential.com/harvard-university/835055-calculate-your-chances-admission-harvard.html[/url]”>http://talk.collegeconfidential.com/harvard-university/835055-calculate-your-chances-admission-harvard.html&lt;/a&gt;&lt;/p&gt;