Hi michele98,
Based on your CAT Scores and Official Score, you're clearly a really strong critical thinker - which is great. However, it sounds as if you are treating the Quant section of the GMAT as a "math test", while it is NOT that at all. It's actually a big 'critical thinking test' that requires lots of little calculations as you work through it. Thus, to score at a much higher level in this section, you need to become more of a 'strategist' and less of a 'mathematician.'
Many Business Schools view an Applicant's Quant Scaled Score as an indicator of how that Applicant might handle the 'academic side' of the Program - and a Q44 won't impress anyone. Highly-Competitive Programs (and especially Finance Programs) place a heavy emphasis on the Quant Scaled Score. With a Q44, you likely know most (if not all) of the math just fine, but you made some little mistakes as you worked through the section and you missed out on LOTS of 'strategy-based' points. This is meant to say that by focusing on Quant Tactics, you'll be better able to increase your GMAT Score AND better impress how Business School Admissions Officers will view your potential to handle the Program.
Before I can offer you any additional advice, it would help if you could provide a bit more information on how you've been studying and your goals:
1) How have you scored on EACH of your CATs (including the Quant and Verbal Scaled Scores for EACH)?
2) Do you have an exact Test Date yet (and if so, then what is it?)?
3) What application deadlines are you considering?
GMAT assassins aren't born, they're made,
Rich