The report by the National Center for Education Statistics looks at students who began their undergraduate education in 2003 and defaulted on at least one loan over the next 12 years. Fifty-two percent of the students who attended for-profit schools defaulted on their loan. That's compared with 17 percent for those who attended a four-year public institution and 26 percent at community college.
http://www.chicagotribune.com/business/ct-biz-for-profit-college-loan-default0-20171005-story.html
Student loans are helping to widen the gap between rich and poor in some cases. The US Department of Education's National Center for Education Statistics reported:
Students from poor families who entered school in the 2003-2004 academic year had 91% of their debt remaining on average 12 years later.
Students from wealthier families who entered school in the 2003-2004 academic year had 59% of their debt remaining on average 12 years later
http://www.marketwatch.com/story/students-from-poor-families-are-struggling-way-more-to-pay-back-their-student-loans-2017-10-05?mod=mw_share_twitter