This article is from the Financial Aid, Scholarships, and Fellowships FAQ, by Mark Kantrowitz with numerous contributions by others.
No. Parents are, however, responsible for the Federal PLUS loans.
Parents will only be responsible for your educational loans if you
are under 18 and they endorse your loan. In general you and you
alone are responsible for repaying your educational loans.
On the other hand, if your parents (or grandparents) want to help
pay off your loan, you can have your billing statements sent to
their address. Likewise, if your lender or loan servicer provides
an electronic payment service, where the monthly payments are
automatically deducted from a bank account, your parents can agree
to have the payments deducted from their account. But your parents
are under no obligation to repay your loans. If they forget to pay
the bill on time or decide to cancel the electronic payment
agreement, you will be held responsible for the payments, not