Paul Minton, a 26-year-old math major, made $20,000 a year as a waiter. After completing a three-month course at Galvanize, a coding school in San Francisco, his starting salary at a web start-up was more than $100,000 a year. Coding schools can’t keep up with the demand for workers like Paul Minton.

Why are graduates who work as waiters going to coding school?