Hi michaelpalomares00,
GMAC has publicly stated that the Official Score that you earn on Test Day is within +/- 30 points of actual ability. Assuming a similar 'swing' in how your CATs function, your 3 CAT score results show that you essentially performed the same each time (about 520 +/- a few points). To score a lot higher than this, you'll likely have to make improvements to how you handle BOTH the Quant and Verbal sections. Before I can offer you the specific advice that you’re looking for, it would help if you could provide a bit more information on how you've been studying and your goals:
Studies:
1) Have you used any study materials besides the OG?
2) When you took your CATs, did you take the ENTIRE CAT (with the Essay and IR sections)?
Goals:
3) What is your goal score?
4) When are you planning to apply to Business School?
5) What Schools are you planning to apply to?
GMAT assassins aren't born, they're made,
Rich