Middle school is much worse then high school. Hormonally crazed teens that are (usually, but not always) obsessed with popularity is not exactly the best environment for an Aspie.
I can't really offer you much advice, but do be assured that it does get better. High school (I'm in Year 11 now (17 years old, I think it's junior year in the American system, but I'm not sure,) was much better then middle school. People had finally grown up and were (less) hormonally crazed. Don't worry or care about popularity contests, and keep in mind that "relationships" with girls at your age aren't really that important. It may seem like that now, but in the scale of things, it's just needless drama.
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"Nobody realizes that some people expend tremendous energy merely to be normal." - Albert Camus