18 months ago, DD (now 15) was a total nightmare.
She backchatted, argued and fought vociferously
She had more detentions than anyone else in her year - she deliberately violated every school rule in the book. She is at a good selective school but fell victim to the notion that it's cool to be a fool
We were talking about where she would go if/when they finally expelled her
She broke four solid oak doors with slamming them incredibly hard
She lied and stole. The biggy was using her Dad's credit card to buy an iphone, but there were other instances of appalling behaviour.
She has just returned from her Granny's where she did jobs to help out for two hours
She has not had a detention all year
She has just won four of the 12 academic prizes awarded in her year at a super-selective school (English, History, Art and ICT)
Don't give up. Really, just don't give up.