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Do you realize that you quoted a reference to predictors of grades at Harvard in their internal studies, not a reference to importance of those criteria in admissions decisions? The quote mentions AP exams and college board subject tests are better predictors of Harvard grades than HS grades and test scores. Do you really think most selective colleges treat AP exam scores and college board subject tests as more important than HS grades and SAT I/ACT in admissions decisions? Even if they did, does that contradict anything I have written in my posts? Also note that my 2250 vs 2400 example was not a 50 or 100 point difference.</p>