Unfortunately, none of the interesting philosophical problems can be shown to have a likely answer. Disagreement, even among those who are closest to qualifying as "experts" on these issues, is sufficiently strong and general that no major view has been ruled out in moral philosophy: consequentialism, deontology, moral nihilism, moral realism, whatever. So no one can convincingly demonstrate that you or anyone else has or lacks a moral right to anything. Chances are the whole topic is best ignored. As far as legal rights go, I think everyone here is familiar with the status suicide typically has around the world.
The better question is probably whether suicide is a reasonable choice given your ultimate interests, your suicide's probable effects on others, your likelihood of eventually having a life that is satisfactory to you, and so on. Since you're very young, it won't be easy to arrive at a confident answer to this question, because further biological and psychological development into adulthood could significantly change your situation. By the time one hits their mid-20s, one's prospects in life will generally be fairly clear, however.
