Run for student council next time, run for President, and make a speech of how you plan to change the school, do something to make yourself stand out and get reputation. Even if you lose people will know you and respect your effort.
When I did my speach, I got off the podium and walked around, and pepped the crowd up. I won by a landslide.
Volunteer for things in your school that will give you presence in school, where people will recognize you, and work hard on that.
The best thing that worked for me in school was when I ran for secretary, and did a speach rap- instant popularity overnight -- but it was an all boys school, if it was co-ed, I'd likely have gotten somewhere.
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