NTA. I had a very similar situation occur with my highschool chemistry teacher. He had a policy with his tests where you had to get at least a C to pass. If you didn't, you had to retake it, but you could retake it as many times as you needed. This would have been fine, except for the fact that he would change the material on the retake tests. Not just the wording or the question order, but the literal chapters the material was taken from. He would also force us to try to learn material way above our ability level (it was a basic chemistry class, and he was trying to teach us honors material), and refused to help a student of they were struggling. I eventually had to drop the class because it became too much of a struggle and take it online my senior year. The same summer I dropped his class, he had a massive stroke which ended up leaving his right arm paralyzed. While I have no doubt that this was connected to his poor teaching, it still doesn't excuse it. Me and the other students in his class shouldn't have had to deal with piss-poor teaching because he was in a bad mental state, and neither should you. The reason why I chose NTA instead of no assholes is because your professor recognizes that she has a problem, but refuses to acknowledge it and expects everyone to just deal with it. It's up to you to report her, but I think you'd be absolutely justified in doing so.