<p>Another possibilty at Rockefeller:</p>
<p>[The</a> Rockefeller University - Summer High School Science Outreach Program (Science Outreach)](<a href=“http://www.rockefeller.edu/outreach/]The”>The Rockefeller University » RockEDU: Rockefeller University's Science Outreach Program)</p>
<p>Both this and Cooper Union are free, I believe.</p>