I am entering high school and i need boy help!?

i am popular and everything(not trying to be cocky& i am one of the nicest people that i hangout with and in my grade) i am cutee? im told but guys think i am prude witch i am i just had my first kiss in december. but how do i approch guys and hang out with them and be fineee? how do i just talk to them? and how do you make out? i dont know how to soo i am reallyyy neverous for when the time comes.