<p>As one example, the University of Chicago's policy on IB tests is that a 7 is comparable to an AP 5, a 6 is an AP 4 and a 5 is an AP 3. Whereas for APs, all tests but Environmental Science, Psychology and Computer Science A count for credit or placement, all IB tests in physics, computer science, and mathematics count for nothing.</p>
<p>Essentially, within America, some colleges will like an IB diploma more than a courseload packed with AP classes, but most irrationally count it for less than APs.</p>