When I worked my way through college in the 1940s, tuition was $200 to $250 a year. My children’s tuition was $2,000 to $2,500 a year, and my grandchildren’s college education each cost $20,000 to $40,000 a year for tuition alone. College is so expensive that only about half of today’s college graduates think their degree was worth the cost, according to a survey by Gallup-Purdue. The more debt the student incurs, the more likely he is to doubt that he received his money’s worth. The total amount of student debt in the United States is a staggering $1.2 trillion,...