<p>There’s a big difference between taking advanced classes and competing in these competitions.
Both show passion in a subject, but while advanced classes show that he went on to study more, competition show that he studied in depth enough and has the talent enough to think in a very analytical and creative fashion.</p>
<p>I’m not saying that those competitions are a must for smart students, but it’s definitely an indicator. I was just trying to see such “indication”, that’s all.</p>