No matter how you look at it, college is an investment -- both of time and money. The benefit to this particular investment is that there are returns far beyond the obvious monetary ones. However, the financial aspects of evaluating college return on investment cannot be ignored. And some schools are simply doing a better job of setting their alumni up for success in the job market. Whether you're planning to study computer science or psychology, earning potential in your chosen field, along with the cost of attendance for the schools you're considering, should be part of the equation when whittling down your list of best return on investment colleges.