The common response here is don't rely on posters here to review your essay, but take it to your AP ENG/LIT teacher, GC or even your ALO. There are several reasons why:
1. Those people are in the habit of reading essays for college/SAs and scholarship application annually. If anyone can give you a glimpse of how you fared it would be those specific people.
2. This is an anonymous forum. You do not their background.
~ I don't have enough fingers, toes in my family, including my pets paws where other candidates will say: Sure I will read it. To me that is like the blind leading the blind. Why on earth would you want to share it with somebody else that has no experience at all in this situation? However, many of the OPs like you will do so without a second thought. Worse yet, take their advice from an editing aspect.
~~ Think about it...would you take driving lessons from someone that only has a permit too? I doubt it, but that is in essence what you are doing when you ask their opinion.
3. Let's assume you have an amazing essay even with some grammatical errors. You open yourself up to someone lifting portions of your essay. Again, you don't know where that OP lives, their RD for admissions or when they will be boarded. Can you imagine if in the long shot, you and that other poster both get boarded on the same day, and now the board has read very similar lines within a few hours. They are left with a question...which one of you plagiarized the other, and which one is original author.
~ Yes, this is rare. Yes, some people will flame me for suggesting that candidates "lift" parts of other candidate's essays. Many times it will not be intentional. They just lift the idea, not so much the words, but people can read between the lines.
Finally, I am not offering to review your essay, but here is what I will say that you should stick away from regarding an essay.
1. Try to stay away from every sentence containing, me, myself or I..
~ It becomes very repetitive and for myself, I get bored by this structure. It will actually lose my attention regarding what you are trying to state, and increase my attention to how many times within the essay you wrote, me/myself or I.
2. Try to stay away from the typical....when I was 6....it has been my goal since.... yadda yadda yadda. Instead, make it unique.
Best of luck. Learn from this lesson for your MoC essays. Edit, re-edit and edit one more time.