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<p>Engineering-focused schools may have lower graduation rates because students who change out of engineering as a major are more likely to have to transfer away from the school. Note that attrition out of engineering is quite high at average or lower selectivity levels – something like 40% of prospective engineering majors change to a non-engineering major by second year. That attrition is much lower at highly selective schools, but may still be noticeable in comparison to other majors at the same schools.</p>