<p>Carnegie Mellon Precollege and and Northwestern/Cherubs Summer Institute are both worth a look. I don’t know if these are comparable to RADA.</p>
<p>[Drama</a> - Pre College - Carnegie Mellon](<a href=“http://www.cmu.edu/enrollment/pre-college/drama.html]Drama”>http://www.cmu.edu/enrollment/pre-college/drama.html)</p>
<p>[National</a> High School Institute - Cherubs](<a href=“http://www.northwestern.edu/nhsi/]National”>National High School Institute – The Cherubs at Northwestern University)</p>