USABO semi final exam?

<p>I think you have to be nominated by your teacher, so you’d have to talk to him or her about it. There’s a teacher registration thing for your teacher at the USABO website, <a href=“http://www.cee.org/usabo/index.shtml[/url]”>http://www.cee.org/usabo/index.shtml&lt;/a&gt;, but it’s not working right now.</p>