My sister has entered High School, and is quickly getting involved with the wrong crowd, what should I do? ?

Just calim down and take a breather i understand how it is i am 14 and just to prove to you not all guys are horny i am actually in love with a girl and i hope she is my future wife but like all boys i do think of but i would never do that so what you should do is just keep a close eye on her dont ucuse her of anything tell you have proff you never know people change just trustr me on this