<p>What do you rank as the hardest of all the ap</p>
<p>There has been tons of threads on this . . .</p>
<p>As far as the “hardest APs” go, you really have to judge it based on the person.</p>
<p>For me, the hardest APs i self-studied were Art History and European History. </p>
<p>However, for the next person, it might be Calc or Physics. It really varies by person.</p>