The Rise of Educational Hypergamy

Education closely tracks social class, but maybe it's not exactly what we're looking for here. In any given family, the daughter will on average get more education than the son. If women marry hypergamy in search of men who can provide for them, wouldn't we expect income to be the most direct measure of this ability? Priscilla Chan, a medical school graduate, married Mark Zuckerberg, a college dropout,. But probably doesn't feel like she got a raw deal or married down.