Aside from the fact that there’s fuzzy math involved in saying you moved from the bottom 2/3 of your class to the top 1/2, Joe Biden graduated 76th out of 85 people in his law school class.
Moreover, he didn’t get an academic scholarship, he received a needs-based scholarship and grants.
Joe Biden has demonstrated clearly that he has no problem doing that, it’s just a question of whether or not the “woke” crowd that demands “purity of past” is willing to accept it.