<p>CTD has some very good courses. My son has taken two. He has also taken CTY courses (which were not as good as his CTD courses, but I hear there are other good ones). He is taking EPGY courses now and has taken others before; those are mostly all good. </p>
<p><a href=“http://www.ctd.northwestern.edu/learning/[/url]”>http://www.ctd.northwestern.edu/learning/</a> </p>
<p><a href=“http://www.cty.jhu.edu/cde/index.html[/url]”>http://www.cty.jhu.edu/cde/index.html</a> </p>
<p><a href=“http://epgy.stanford.edu%5B/url%5D”>http://epgy.stanford.edu</a></p>