As many people know, May is the month of AP testing for many students. This month can bring a lot of stress to students who are taking these classes.    AP classes prepare high school students for college-level courses and earn them college credits if they pass the exam. These college credits could make up for a semester or even an entire class in college. The AP exams are scored on a scale from 1 to 5, where 3 to 5 is a passing score on the exam. The difficulty of each exam