<p>Below is a couple of links to lists of public and private colleges with good math departments. It was compiled by the National Resource Council which is part of the National Academy of Science. Granted, the lists are about 10 years out of date, but still it would be a good place for you to start.</p>
<p><a href="http://www.ams.org/employment/group_i.html%5B/url%5D">http://www.ams.org/employment/group_i.html</a></p>
<p><a href="http://www.ams.org/employment/group_ii.html%5B/url%5D">http://www.ams.org/employment/group_ii.html</a></p>