Berkeley's definitely the odd man out. Here are some rough approximations on the number of undergraduates at each institution... Stanford: ~6,800 Harvard: ~6,

Berkeley's definitely the odd man out. Here are some rough approximations on the number of undergraduates at each institution... Stanford: ~6,800 Harvard: ~6,600 MIT: ~4,200 Berkeley: ~25,000 Keep in mind also that UCB has about twice as high a percentage of low income student (so the class size at UCB is 4-5 times the size of these elite undergraduate schools, with 8-10 times the number of low income students, many of whom are transfer students). Also, UCB is probably more "local" among undergrad populations, since about 70% come from California. So I'd expect a very different profile for undergrads. Interestingly, the profile of the graduate student population at all four schools is probably fairly similar, as the elite private colleges admit far more grad students than undergrads, whereas the opposite is true for UCB - and PhD programs at UCs aren't subject to the same geographic restrictions as the undergrad program.