This document provides guidance from NICE on the identification and management of depression in children and young people in primary, community, and secondary care. It covers key priorities such as assessing potential comorbidities and social/family contexts, providing psychological therapies delivered by child and adolescent mental health professionals, and carefully monitoring children and young people on antidepressant medication. It emphasizes the importance of patient-centered care, informed consent, and addressing the needs of ethnic/language minorities. The guidance is organized by steps from detection and risk assessment to treatment of mild, moderate, and severe depression.