I hate my life and i wanna die im tired of living?

I am 13 and i hate my life i want to kill myself. I am tired of living. My family hates me. I am a very shy person and something went wrong in my life. I can't escape it. The doctor help me but it doesn't work. I feel very depressed and sad all of the time. I always feel alone. i hate school i feel sick going there. It been all of this 13 years without anything good for me. Today i took out a knife and try to stab myself but i bleed a little. I don't know what to do.