What are Columbia's Rival Schools?

[metsfan]

<p>In addition to Brown and Princeton, one of Columbia's main athletic rivals is literacy:</p>

<p><a href="http://columbia.facebook.com/group.php?gid=2218180966%5B/url%5D"&gt;http://columbia.facebook.com/group.php?gid=2218180966&lt;/a&gt;&lt;/p>