Higher education is in a bubble situation—its price has risen sharply, fueled by cheap federal loan and grant money (sound familiar?) while the return on the investment has fallen. More and more college students are either not graduating or are taking jobs that do not require college-level skills and often pay mediocre amounts. In investor parlance, the price-earnings ratio on investing in higher education seems to be rising sharply. Where markets operate without external interference, there would be a correction. Sensing lower returns on their investment, the demand for higher education would fall and, with that, enrollments. Declining demand would...