That's how I've always seen bell curving. In Quebec, to get into something like medicine they look at your z-rating, which if how far ahead of the bell curve you are... so at best it selects for people who pick easy classes and at worst for people who actively sabotage other students. To me it always sounded like a great way to end up with psychopaths as doctors.
Years later, police discovered evidence Sally replaced Timmy’s grandma’s insulin bottle contents with glucose in order to pass that test.