Colleges that recently went out of business may be only the tip of the iceberg.

Many more are being denied federal funds because Uncle Sam sees them as too shaky.  But the government won't say which ones they are.
https://www.insidehighered.com/news/2015/03/26/education-dept-keeps-secret-names-colleges-found-be-risky-students-taxpayers

http://www.cengage.com/search/productOverview.do;jsessionid=B3804A83BFE321C8675A65DCB9767C79?N=16+4294922239+4294966221+61+4294949511&Ntk=P_EPI&Ntt=9344367867050971981083213667162986711&Ntx=mode%2Bmatchallpartial