What exactly is ID?

What exactly is Interim Decision (ID)? How does it differ from EA?

And, besides Rice, what schools offer it?

<p>ID and EA are the same. Some schools only let you apply to one school EA. </p>

<p>Here is a list:</p>

<p><a href="http://www.collegeboard.com/student/apply/early/index.html#thestates%5B/url%5D"&gt;http://www.collegeboard.com/student/apply/early/index.html#thestates&lt;/a&gt;&lt;/p>

<p>Thanks...so I can theoretically apply to Harvard EA and then apply to Rice ID? Am I understanding that correctly?</p>