Manhattan Prep was a huge factor in my success on the GMAT! Our instructor Paul was fantastic -- not only was he a knowledgeable and skilled teacher, but he was also funny and engaging. With the tips and tricks I learned from this class and the accompanying materials, I was able to bring my score up roughly 100 points in a short period of time, and achieve my goal score. I recommend that everyone choose Manhattan Prep for their exam preparation; you wont be disappointed!