To default on a credit card you have to qualify for a credit card. Which generally requires some history with a bank that for youngsters involves a secured cred

To default on a credit card you have to qualify for a credit card. Which generally requires some history with a bank that for youngsters involves a secured credit card to build credit - e.g. a credit card with $500 monthly limit paired with a $500 savings account that allows no withdrawals. What happens when a lender decides you're unqualified for a student loan?