This is not entirely true about the Ivies with regards to class rank.Depending upon the talent of the player and the extent to which the coach wants them they do not have to be in the top 10% of the class. It all depends on how strong of an athlete they are as to what they need to have for GPA , class rank and overall AI.
Overall AI is all that matters. A player's AI incorporates, GPA, test scores, class rank, etc. Have son at IVY now.