Which means that exams need to be much more difficult. When I was a grad student Teaching Assistant at Harvard we had a newly hired professor who'd spent the last decade at Cal Berkley. He decided to give the same midterm exam he'd given many times before at Berkeley. When we TA's saw the exam we politely told him he needed to change it or the whole class would ace it. "Nonsense!" he said, "Harvard students aren't that much smarter than Berkeley students." We had to write and administer a second midterm because everyone scored 98, 99, or 100 on his Berkeley test.
This is the problem with anecdotes: your experience seriously does not mirror my experiences with top colleges and UC Berkeley. I took several math classes at Stanford and had to repeat them at UC Berkeley, and they were significantly easier (coursework and testing) than the equivalents at UC Berkeley, even considering the fact that when I took the classes at Berkeley I had already covered the basic foundation of the material at Stanford.
If this was an exam for a freshman/sophomore course, I might believe it since lower-div classes at Berkeley have an exceptionally wide audience with non-uniform levels of prior mathematical experience. However, if this was an upper-div course, I highly doubt your anecdotal experience holds true in general. Source: majored in math at Berkeley, went to MIT for grad school.
