<p>It's possible right? Except if your changing from like something without listening to something with. (In my case, I want to change from Math IIc to Ic).</p>
<p>yes, you can switch most SATII tests on test day. Basically you just choose whatever tests you want to do in whichever order you want to do them from the huge test booklet which contains every subject. there's really no reason to even pick tests beforehand...</p>