My understanding is that top law schools do something like that already - limiting themselves to pass/fail grading across the board. The 50th percentile at, e.g

My understanding is that top law schools do something like that already - limiting themselves to pass/fail grading across the board. The 50th percentile at, e.g., Harvard Law, is almost certainly going to be a very capable attorney, and it does Harvard Law no good to create artificial distinctions between students solely for the benefit of the outside world. If a student wants to show some sort of distinction, he has to find some out-of-band way to do that (research for a prof, publications, exceptional internships, etc).