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<p>Net price calculators can give you a pretty good hint. Merit scholarships are somewhat harder to guess at, though in the situation where the net price calculator estimates too high a net price, and there are not sufficient in-reach merit scholarships, then it is reasonable to assume that the school cannot be affordable, and therefore not worth applying to.</p>
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<p>For an undecided student, suitability means having enough of the possible majors, which actually screens out more schools than for a firmly decided student who applies the screen using a smaller set of majors.</p>
<p>Also, chemistry has much worse job prospects than chemical engineering, so a student otherwise equally interested in the two may choose the latter using the job prospects as a tie breaker.</p>