HEY... well i go to this school with this boy his name is cory and im 17 and i believe hes in the range of 18?

too but idk what to do like sometimes i feel like he likes me he keeps giving me mixed signals idk what to do i think i may be moving to fast.... well for starters he never use to say nothing to me he jus use to like stare so i took it upon myself to spark up a conversation.. and i said hey what teacher do you have and he told me and i said wats yur name and he said cory... and i said ook.. and i told him my name. so now he'll smile and wave and say hi to me whenever he sees me but i wnted things to go faster so after cl i approached him wit a pieace of paper with my number on it and it said call or txt me dnt lose the number i wuld of jus told him myself but even tho im of age i still get tongue tied and nervous.. lol but i cnt tell if he likes me or not he could jus be a friendly guy he hasnt text me yet and its been a week i see him almost evryday at school idk if he has a gf because he's not in my cl i only see him in the mornings.. so idk what to do and last but not least today he said hey whats up and thts it i hope i didnt scare him off by giving him my number i truly feel like he likes me but idk if hes jus friendly or if he has a gf... what shud i do????? please help me out nice helpful comments only thank yu all answers will be greatly appreciated.