Co-signing a student loan might feel like a short-term favor, but for many people it becomes a long-term financial risk. According to higher education expert Mark Kantrowitz, more than 90% of private student loans require a co-signer, meaning two people are equally responsible for the debt. “A co-signer is often required for a private student loan because the student borrower has a thin or non-existent credit history,” Kantrowitz told CNBC (1). “They are an unproven asset.” Must Read That obligation do ...