The DOE just released a study showing that half of all student loan borrowers are effectively unable to pay back their debt. That is quite a high number...
America’s Student Debt Problem Is Much Bigger Than Anybody Realized
The Department of Education recently released a memo admitting that repayment rates on student loans have been grossly exaggerated. Data from 99.8% of schools across the country has been manipulated to cover up growing problems with the $1.3 trillion in outstanding student loans. New calculations show that more than half of all borrowers from 1,000 different institutions have defaulted on or not paid back a single dollar of their loans over the last seven years.
https://www.wsj.com/articles/student-debt-payback-far-worse-than-believed-1484777880
http://www.zerohedge.com/news/2017-02-02/america%E2%80%99s-student-debt-problem-much-bigger-anybody-realized