<p>I know Intel ISEF is for all high schoolers. Are Siemens and STS for seniors only?</p>
<p>Siemens is not if you're in a group project. STS is.</p>
<p>I know Intel ISEF is for all high schoolers. Are Siemens and STS for seniors only?</p>
<p>Siemens is not if you're in a group project. STS is.</p>