Millions of helpless children are being abused and neglected at any moment in the United States. As the nation’s largest provider of behavioral health services, clinical social workers must be able to conduct effective interventions with these children and their families and caregivers. The characteristics of competent practice are the focus of this publication, which examines the levels and types of knowledge, training, skill, and experience, as well as proficiency in utilizing relevant theory and proven techniques, by which practitioners should address the bio-psycho-social problems and disorders unique to children and their families.