Today, costs loom large in public discussions about the problems in higher education. That's no wonder. Tuition at four-year private colleges has grown at an average annual rate of 2.3% above inflation over the past 10 years. Four-year public and two-year institutions have seen similar trends, with tuition growing at an annual rate of 3.1% and…

College has become a risky proposition for students as well as taxpayers. Fewer than six in 10 students who start a degree will ever finish, which means that they won't see a return on the money they've spent to attend--and if they took out a loan from the federal government, they might be left with unaffordable debt. In the latter case, the…