A client centered program that provides assertive outreach, case management and intervention for children, youth, and their caregivers, who are struggling with serious mental health and addiction challenges and complex psycho-social stressors. CAS serves children and youth ages 3 to 17 who need a higher level of outreach, case management and intervention than can be provided in a more traditional outpatient or community clinic setting. It is intended or children/youth who score a level 4 or higher on the CALCOUS.