What would happen if schools invested in their students and their ideas instead of just charging them school fees? That’s what St Francis has done, and they just made $24 million this week because of it.

Barry, the father of St Francis high school student, Natalie Eggers, tells the story: “Almost exactly five years ago today, I came home from work and walked into my kitchen. My daughter Natalie and a few of her high school sophomore friends were sitting at the table. They were all absorbed in...