EDIT: The parent comment makes it sound like admittance to Harvard is prima facia proof that students are already excellent. If that is the case, then why grade students in Harvard? Students at Harvard should be trusted to learn everything they need to learn.
EDIT2: Given that 80% of grades at Harvard are 'A', it seems like Harvard administration agrees that grading is not needed.
EDIT: The parent comment makes it sound like admittance to Harvard is prima facia proof that students are already excellent. If that is the case, then why grade students in Harvard? Students at Harvard should be trusted to learn everything they need to learn.
EDIT2: Given that 80% of grades at Harvard are 'A', it seems like Harvard administration agrees that grading is not needed.