Better education doesn't correlate strongly to economic mobility (but union membership does)

America's great stagnation includes a hardening of class divisions, with fewer and fewer poor and working class people raising children who rise to the middle class or even the one percent -- a fact that strikes at the heart of the cherished American notion of rags-to-riches meritocracy where you rise to prominence on the basis of your contributions to society, not the accident of your birth. (more")