Don't go with the obvious. In the poetry contest on Writing, the obvious entry would be about how hard writing is. They wrote about creativity, freedom, imagination, that kind of thing. So, roll the topics around in your mind a bit before you start writing. I challenge you to surprise us.
Twain Write a short story based on the above quote.
This is for anything and everything you've written, or are inspired to write. It can be a short story or an essay. We're looking for guts, though, not all warm fuzzies. We're looking for honest impressions of life through the eyes of teens. If it's uplifting, great.