Why cant i talk to girls?

i just finished 8 th grade and im wonderin why cant i talk to girls. everytime i talk to a girl i always stutter and talk wierd i dont even know how to text girls. im always hearin that all these girls like me and guys are always tellin me that im the king of the school idk why please help. i guess i need a date coach if you are bored could you give me your email or email me at the email at the bottom and you could "pretend" to be someone im texting or talkin to and tell me what i should of said cause ill get it wrong.