Since being introduced in 1954, Advanced Placement Exams have been an esteemed factor in today's high school education system.Weinstein states that some will only accept a score of 4 or 5, while College Board, who manages AP exams, considers 3 as "qualified". For students taking AP classes, AP exams offer an affordable way to earn college credits, possibly reducing the amount of time it takes to earn a degree. AP exams typically cost $93 each exam, while the average cost of college credits per hour costs almost $600, according to studenloanhero.com. This will adds up to over $14,000 in a school year, then to over $71,000 for the 120 credits typically required for a four-year degree. Tora Davidson, a tenth grader who is currently taking 5 AP classes, says "I believe that AP classes are worth it because they prepare you for college.