What Do I Do ?

Harrison (Harry ) James Tanner-(15) is a troubled young kid known to have violent outbursts at school having ADHD doesn't help to be honest, He also has dyslexia so life at school is hard, His home life isn't any better , He drinks smokes marijuana and is quite sexually active for a child his age but also not in the way most people his age would be . He lives wit his father (17) year old sister and (9) year old brother . His father has no idea what Harry is up to because he works three jobs to make ends meat

Can anyone calm him down?