Let's play this out further. How about high school, should there be grades there? Tests at all levels also typically involve a grade / metric -- are those included too?

To play devil's advocate, evaluations and scoring should probably be used at the systemic or team level rather than stack ranking individual employees... I mean students. Improve the educational system rather than blame the individuals.

The same logic applies.

At least where I live, universities used to run entrance exams. They didn't care about high school grades, or even if you'd ever been to high school: if you passed the entrance exam, you could enroll.