How much did I mess up my chances of getting into college? [college calculus 1 B grade, IB math AA HL A grade; MD resident, 3.967 GPA, top 10% rank, 1530 SAT, <$50k, civil engineering]

Applying to College
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Assured for frosh admission, but (assuming that the CC is in the MTAP program) the MTAP program does require a 3.0 college GPA with some course requirements for assured transfer admission, according to Office of Undergraduate Admissions | Maryland Transfer Advantage… .