You should transcend this level of thinking - that test scores are everything. Yes, they are the base, however you would be competing with TENS of thousands of other people who have gotten your score plus or minus 2 points. You should focus instead on your interests and any other thing you love doing or have been doing for some time.
I suggest you read this. It’s amazing and you will have a different perspective of everything once you’ve read it, as it’s the MIT’s admissions who say this, not a layman on CC: [What’s the big deal about 40^2?](What’s the big deal about 40^2? | MIT Admissions)