As the college acceptance letters arrive, students are thrilled. However, while parents and grandparents are proud, they may also feel a little anxious about footing the bill for what they know is an important credential in today’s labor force. Before you sign on a dotted line, or heaven-forbid, raid your retirement account or borrow against your house, it’s time for a financial reality check. Here are the basic sources available to fund higher education, according to the Common Application, a not-for-profit member organization of more than 700 colleges and universities in the United States and around the world.