> The differences of students on one side of a cutoff and the other side of a cutoff are negligible. Well, there’s a bar. One side figured out how to exceed th

> The differences of students on one side of a cutoff and the other side of a cutoff are negligible. Well, there’s a bar. One side figured out how to exceed the bar. The other didn’t. That’s a pretty big difference that I wouldn’t attribute to “luck.”