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<p>It was not when I was in high school. There was only one calculus class, which taught the AP Calculus BC syllabus in one year to seniors who were one grade ahead in math (at the time, there was maybe one student every few years who was two grades ahead in math taking calculus in junior year). Yes, the good students got scores of 5 on the BC test.</p>
<p>The students ready for calculus in junior year should be the ones great enough in math to be able to handle AP Calculus BC in one year, instead of doing AB one year and BC the next (which could be too slow paced and boring for the great at math students, unless the course was enriched with extra theory). After all, post-secondary schools from community colleges to the top universities expect freshmen who are zero grades ahead in math to handle calculus (which AP Calculus BC approximates) over one year.</p>