How do i make him like me? Guys help only please!?

i'm 14.freshmen.kinda like this guy, idk if he likes me too. he sits next to me in 2nd period and has homeroom w/ me. he sometimes touches me and comes close as if he likes me.but then he gets a bit mean and racist to me. i wanna make him like me, how do i do it. w/out trying to look pretty and wearing "those" types of clothes. wat do i say? how do i talk to him? i nice convo. help me.