FYI, Justice Scalia nailed this point in his dissenting opinion in Grutter. Check it out:
"...This is not,of course,an educational benefit on which students will be graded on their Law School transcript (Works and Plays Well with Others:B+) or tested by the bar examiners (Q:Describe in 500 words or less your cross-racial understanding). For it is a lesson of life rather than lawessentially the same lesson taught to (or rather learned by, for it cannot be taught in the usual sense)) people three feet shorter and twenty years younger than the full-grown adults at the University of Michigan Law School,in institutions ranging from Boy Scout troops to public-school kindergartens. If properly considered an educational benefit at all, it is surely not one that is either uniquely relevant to law school or uniquely teachable in a formal educational setting..."