Please help im so sad to where i do not want to live anymore:(!?

im citizen of louisiana, im 13 and i have to go to summer school... ok heres the problem we've had three teachers leave in one class we learned nada thing!!! the hell they dont even teach us at west thibodaux middle !!! all of them jyst put on movies such as"white chicks"& shrek and madea goes to jail!!!! dude im so mad!! im angry how could they fail me!!! and i just got my report card today "you have to go back to the 7th grade" ok why make me go to summer school if you failed me i SWEAR I ******* HATES THESE ASSHOLES!!! dude wat am i 'sposed to do?! im a good kid and i never expected this my life is falling apart i barely have friends and i hate myself and the world im really sorry i was ever born on this stupid earth and im crying because no one cares i shouldn't have gotten this i hate louisiana i hate it i hate it i hate it!!! and i hate the world i hate everything now i try to be nice and i get walked on like a rug im a kid and i have more feelings than anyone will ever have i dont deserve it !!! im not even gonna go to summer school im not even going to go to school because im shamed and ive already been teased alot in my life id rather run away and starve and die what worse can it get everything hates me so i hate it too and my mother "see now your going to be in school for 13 years instead of 12" i feel like a failure at everything im angry sad mad im just ugggggghhhhh!!!! i dont know what to do !!!!!!!!! why me ?!!!! why this ?!?!