npc_no_profitStudents who attended a for-profit college or university that offered certificates, associate or bachelor’s degrees generally saw their income decline five or six years after attendance compared to their earnings before enrollment. Many of these students left before completing their certificate or degree but still end up with significant debt. — National Bureau of Economic Research

Students who earned a certificate at a public community college saw an average increase in income of around $1,500 after they left as compared to for-profit certificate earners who saw their income drop by about $920 a year after they left. —