RecruitingBehavioural interventionFamily ConnectionsThe Family Connections study, is intended to disrupt disparities in mental health treatment access for children at-risk for childhood trauma (ACEs) and/or serious emotional disturbance (SED). "Family Connections" will use mobile clinical and family support teams to improve mental health outcomes. This clinical innovation, nested in an integrated system-of-care will be piloted for children, ages 3-18 yrs., with SED who receive primary care through Cambridge Health Alliance.