What's the reason of not telling us your age, when you say you are in 5th grade? (A.k.a - 10-12 years, most likely 11)
The application was really poor. I am not surprised though. It reflects the quality of your forum posts very well.
Work on that, read previously accepted applications, make your "Why" section atleast 3 times as long as your Intro.
I can't make out what you are trying to say most of the time, you are immature, but hey, so was I in 5th grade.
You are not ready to be a staff member and don't expect me to patronize you, there is probably nothing you can do about that, but to wait a few years.
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