He's straight

Simply I'm infatuated with this boy from school like I really really like him . I could think about him for hours but like usual I must consider the pivotal factor , that is his sexual orientation . I go to a preforming arts school where 42% of the boys are homosexual . But you see he dosent seem interested in relationships let alone boys he's very apathetic I can't get a read on him we talk sometimes but how could I possibly know and refrain any comments that say just go for it because just going for it could lead to the superfluous end of a friendship