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<p>The reason that I said this is because the opportunity cost of applying SCEA is giving up an opportunity to another school early decision. I think the OP would probably do himself the best favor by applying to another school early decision and increasing his chances at that school. Obviously if Yale is the only school on his horizon then the OP should do SCEA, but if he cares most about getting into a very good school – perhaps not Yale – then I think early decision would serve him best.</p>