<p>Ok, I know that this is optional. But what is it used for? Could putting it there help us at all? What if no one puts it? I don’t really get it, does putting it there just make things easier for the ADCOM reading it?</p>
<p>It is required by the State of California. Please see Statewide</a> Student Identifier (SSID) - Longitudinal Education Data Systems (CA Dept of Education) for more information.</p>
<p>It's on your transcipt. I might help to identify in-state or state tuition.</p>