The Globe may have its new Rent Tracker. But there’s also a College Closure Tracker (for lack of other words), via Best Colleges. I just stumbled upon the handy site while doing research for another story. … Note: the vast majority of colleges that have gone under since 2004 have been for-profit colleges. But the most recent listings show private non-profit colleges are now closing at a faster clip than for-profits, due largely to student-debt and demographic trends.