A high AP score of 4 or 5 will definitely look good on your transcript, as would any other high score, but there are other factors that college admissions officers may consider with more weight such as your high school GPA, standardized test scores (such as SAT or ACT) as well as your personal statement essay.
AP (advanced placement) classes offer college-level curriculums and exams as defined by the College Board in the U.S to high school students. High school Sophomores may take 2 AP classes, Juniors – 3 and Seniors 4 classes. Colleges may choose to award course credits for high scores (3-5) in these classes based on their policy .