You might be in a high school planning for an AP(Advanced Placement) class to take. But you have a question for which you came to read this blog. What are the hardest AP classes? It is a very valid question, because all the 38 classes are not the same, especially to pass the exam. The passing rate differs from a massive margin. Some AP classes have a passing range of around 90%, and in some, it is as low as 50%.












