To train vocationally or not?

This article in the Times discusses the benefits and costs to students of college education, and asks the perennial question of whether it makes sense for students to aspire and attend. Toward the end, a quote from the president of Northwestern mentions that even those who do not graduate from college are likely to benefit in ways other than increased earnings, which themselves may not sufficiently compensate for the high cost of attending. In particular, education appears to improve health regardless of whether it results in a degree or not.