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<p>When I went to high school, there was only one section of calculus – BC. It was taught in a normal single period (approximately the same amount of class time as a university freshman calculus course), with no additional summer courses. Students generally were seniors (and the rare junior) who had completed precalculus (usually honors) the previous year (a year ahead of normal schedule). And students did get A grades in the class and 5 scores on the BC test.</p>
<p>Something is seriously odd if your school requires twice the class time (double period) to teach half the material (AB) that a university freshman calculus course teaches. After all, students who reach calculus in high school are supposed to be the ones good at math, since they are a year ahead in math.</p>