<p>My son who just got into U of Chicago took
1 AP sophomore year (World)
2 APs junior year (US History, Bio)
3 APs senior year (Physics C, AP Calc BC, AP Euro) - wanted to take AP Stats but there were schedule conflicts</p>
<p>The school offers about 2 dozen APs.</p>
<p>His brother got into Harvard and Carnegie Mellon having taken
1 Freshman year (Comp Sci)
1 Sophomore year (Bio)
2 Junior Year (Physics C and Calc BC)
3 Senior Year (Latin, Econ-Macro, Chem, and not AP but he did take Linear Equations)</p>