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<p>The downside is that you end up wasting schedule space (that you could otherwise have taken free electives now or later with), and the grading curve may not be so easy if many others in the class are also retaking AP credit.</p>
<p>However, whether to retake them does depend on the school, what one’s score is, and whether it is a core requirement for the major or subsequent courses. Generally, a score of 5 would lean more to moving ahead, or retaking in an honors course, while a score of 3 would lean more to retaking a regular course, if any subsequent courses depend on it.</p>
<p>What school?</p>