That example illustrates my point perfectly. Not only are the people normally distributed, the schools are too. That tippy, tippy top will always ever only be

That example illustrates my point perfectly. Not only are the people normally distributed, the schools are too. That tippy, tippy top will always ever only be a handful. That's not to say we can't raise the bar globally, but realistically we're probably at or close to the ceiling ;f what's possible for mass education.