Recent studies show that the gap in education between those from low income and high income families is widening. The gap lessens the chance that those from low income families will receive the education necessary to enter more professional or higher paying jobs. The gap is true for all levels of education, but is the most pronounced at the college level.
See "Education Gap Grows Between Rich and Poor, Studies Say", Sabrina Tavernise, The New York Times, February 12, 2012