How do i talk to girls that i dont know for the first time what do i say.?

hi my name is cole im 16 years old. i have big blue eyes blond hair about 5'6 tall im very active i do alot of biking and have very good hygiene i smell nice and i play the guitar and sing some say im good looking others no. anyways at school their are some girls i would like to talk to but i dont know how because i have never talked to them before and there popular and im not really popular so i dont know if that means im screwd they wont like me because of the popularty thing please answer back.