Yale Law doesn't have to use grades because it's the top law school and it can push 100% of its students. It's the same with top graduate departments, which hav

Yale Law doesn't have to use grades because it's the top law school and it can push 100% of its students. It's the same with top graduate departments, which have grades but rarely actually give anything below a B. Lower-ranked law schools have to use grades so the top students can actually distinguish themselves and get decent jobs.