I forget who, but in (99% sure) Werner Herzig's Lo and Behold there's a (Stanford?) professor who says when they first did some MOOC they had all the kids in th

I forget who, but in (99% sure) Werner Herzig's Lo and Behold there's a (Stanford?) professor who says when they first did some MOOC they had all the kids in the Stanford course taking it as well, and of the 50,000 or whatever number of people taking the course, the top Stanford student finished like #430 in the course.