Martha Bailey and Susan Dynarski are among several researchers who have found a widening educational attainment gap between the rich and the poor. [Their study](http://www.psc.isr.umich.edu/pubs/abs/7365) compared college entry and completion rates by family income for two birth cohorts: 1961-1964 and 1979-1982.

More about Bailey and Dynarski’s work cited in NYT story on growing rich-poor education gap >