In Colorado, there's some confusion about the tuition rates of "undocumented immigrants":

Based on an attorney general’s opinion from five years ago, Metropolitan State College of Denver charges nonresident tuition to children of illegal immigrants. However, such students pay in-state tuition at the University of Colorado based on the advice of its lawyers, spokesman Bronson Hilliard said.

Some officials want to clarify and standardize Colorado's policy about this matter...