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<p>Maybe not all of the graduates get the 100k/year, but most do. For JHU specifically, they accept <120 students into BME each year and about 50% of them (~60) drop out during the 4 years. Only <60 students end up graduating as BME majors and they do get lucrative jobs (usually 100k/year) upon graduation. You are not considering how hard it is to get into JHU or Duke BME in the first place.</p>