Most of you are well-acquainted with student loans — after all, 70 percent of you are still paying them off. But look on the bright side: The cost of college has been going up every year, and students entering this Fall will pay up to $1,400 more this year for tuition than last year. Think you're up on the cost of higher education? Take the quiz to find out! All of the answers pertain to the 2007-08 school year.