The AP (Advanced Placement) Test is a standardized exam administered by the College Board that allows high school students to earn college credit and demonstrate proficiency in college-level coursework. AP exams cover 38 subjects in areas like math, science, history, and languages. Each exam is scored on a 1 to 5 scale, with many colleges granting credit for scores of 3 or higher. Taking AP exams can enhance college applications and provide a head start in higher education.