10 Public Universities with the Worst Graduation Rates | The Fiscal Times The worst is Granite State which appears mainly to be a degree-completion institution. Tuition expense is not a reason for failing to complete: most are under $5000 a year. What these places have in common is dreadfully unprepared students. One has a combined SAT score of 808 (HBCU). Several don't report average SAT scores for a reason that is painfully obvious.