Though the six-year completion rate has hit 62.5%, according to data from the National Student Clearinghouse Research Center, percentages for those starting at two-year institutions and those from underserved communities are far lower. However, where strong advising measures have been put in place in high schools and colleges, there have been positive gains, highlighted in a fall study by Bottom Line and professors Andrew Barr (Texas A&M) and Ben Castleman (University of Virginia).