In our last post, we showed that the economic benefits of a college degree still far outweigh the costs for the typical graduate, with a healthy and consistent return of 12 to 13 percent over the past few decades. But there are many circumstances under which college graduates do not earn such a high return. Some colleges are much more expensive than average, and financial aid is not guaranteed no matter which college a student attends. In addition, the potentially high cost of living on campus w...