http://www.usnews.com/usnews/edu/col...udoc_brief.php
First of all, your list is wrong. Here is the real list.
Second of all, the rankings are essentially set in intangible stone for the top 10 schools so these rankings are meaningless. Alums of these schools recruit grads from their schools and donate to make sure they schools can keep growing their ridiculously large endowments.
-Rudey