This document discusses promoting a trauma-informed lens when assessing the well-being of children in the child welfare system. It defines trauma and explains how chronic or complex trauma can negatively impact brain development in children. The high rates of trauma experienced by children in the system are also discussed. The document recommends training child welfare staff on trauma-informed practices, conducting trauma assessments, and partnering with trauma-informed service providers to help decrease repeated maltreatment and improve outcomes for children and families in the system.