If you actually take their advice, you'll improve your score.

Manhattan Prep knows what they are doing. Their teachers are experienced and will undoubtedly help you improve your score. Beyond some essential strategies for approaching timing and specific question types, the most valuable thing this class will teach you is how to study for the test. The test is overwhelming enough, so for me, having a class that helped me focus my study time and energy was invaluable. My only gripe is that I wish the class was more affordable so as not to disadvantage those who can't dish out ~$1,500 in addition to the cost of actually taking the test. It would also be great if they had a program to sell back the books from the class, assuming they are in good condition.