Social Problems in School?

okay so i started high school a few months ago and i didnt no any1 @ my new school other than a few kids tht r total s. it seemed okay @ first but wen i tried 2 make friends w/ this kid a couple of days ago, he just ignored me and walked off. then i herd him talking about me 2 his friends about how i tried 2 b his friends cuz im so despret 4 friends. i decided 2 ignore it but then i herd this rumor tht was going around the school about me being gay and getting kicked out of my middle school school 4 touching othr boys which IS NOT TRUE. i found out tht this started w/ the kids i knew from my middle school and evry1 i talk 2 either runs away or makes fun of me. 2 add 2 this, im failing 3 subjects, and some of the teachers humiliate me in cl wnver i get a question wrong. plus, my parents fight evry night and i can nvr hav time 2 talk 2 either of them. ive been having serious negative thoughts including suicidal 1's. can some1 pls cheer me up? ty so much.