ADHD teenage son

1

Hi im new here. Been reading a lot of posts, none describing my problem. I have long term solution, i need advice for the summer. I have teenage son totally out of kontrol. He has just destroyed his room in affect because he cant go to party after not being in school for 2 days. Now he left Home. After summer he go away for school but have to survive summer. I have daughter 8 years and husbond. Greatly affect us all. He run Away frekvently telling classmates parents we beat him . No doubt he need help- but i do too! What the f am i Going to do the next 3 months? He is Coming and Going all times of the day and evening, pissing on every rule..