9. Columbia Business School, Columbia University

Established in 1916, Columbia University’s Columbia Business School in New York City is one of the oldest business schools in the world. With a tuition of $85,698 for U.S. students, it is now one of the most expensive as well. You’ll need an average GMAT of 740 to get in. Expect to earn a median base salary of $130K after graduation. Overall rank: 90.1.