Any school's graduates' monetary rewards are directly related to not only the idealistic quality of the programs but to what sort of programs they are. This is duh-obvious, but I thought that I'd toss it in the stew.
To have "rich grads", you should probably have a medical school [or at least a top quality pre-medical curriculum], and a law school [same thing], and lots of engineering [Virginia Tech's secret]. Sciences like chemistry and biochemistry, molecular biology and pharmaceutical research, mathematics and computer science --- etc etc, and you get the idea.
Despite what young "students" would like to fantasize, the harder the curriculum the more one separates oneself from the unwashed [and often jobless] masses. Any collegiate academic powerhouse knows that the hard tangible stuff is where they need to build.
And despite the opportunities offered around the curricula, the "student/athlete" majoring in general studies, sports communications, communications arts, and at my old school, criminal justice, may be staying eligible, but eligible for what, post-college??
[at WMU I once had two CRJs of JUNIOR status in class who could not write a single accurate sentence, let alone actually put anything complicated into their heads. They attempted to BS me all semester and I flunked them both. Hopefully it did some good but I have my doubts].