students that go to top schools should be expected to get high grades. if 65% of students at harvard cannot get As no matter how hard they try, it is going to create de-enrollment and a strong incentive to study somewhere else. it's easy to predict that that 35% will be full of nepotism and the rest of the student body will need to buy it's way in. this is going to be a disaster.
it is apparently a radical proposition nowadays to suggest testing students aggressively and awarding them scores based on their test marks, and letting the data fall as it does. that's the system nobody wants.