<p>Many rising seniors are too old to qualify for CTY. You are "ineligible for CTY courses for 7th grade and above if you will have turned 17 before September 1, 2009". The exception to this rule is for the Civic Leadership Institute, Princeton's progam, and the international programs.</p>
<p>EPGY age-restricts all its courses. They're either restricted to (rising) grades 9-12, 9-10, or 11-12. There's a completely separate program for middle school students.</p>