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<p>I can guarantee you that at least half of the enrolled students at Brown would have zero chance for admission at Wellesley. How’s that for selectivity?</p>
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That doesn’t necessarily follow. If School B has a small but high-quality applicant pool, one that yields high average test scores and class ranks, then it’s possible that the same pool could yield strong extracurriculars as well. </p>
<p>If there was a simple and straightforward procedure for quantifying the extracurricular activities of enrolled students, then sure, it might make sense to include this factor in selectivity rankings – just as test scores and class ranks are included. But there isn’t, so it’s not a factor. </p>
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That’s basically what USN&WR does: their selectivity score is largely (90%) based on average SATs and high school ranking (which is a function of GPA) of the enrolled class. USN&WR does not address special accomplishments, but that’s probably because there is no simple way to quantify them, as noted above.</p>