Children's reactions to trauma can interfere considerably with learning and behavior at school. Schools serve as a critical system of support for children who have experienced trauma. Administrators, teachers, and staff can help reduce the effects of trauma on children by recognizing trauma responses, accommodating and responding to traumatized students within the classroom, and referring children to outside professionals when necessary. The National Child Traumatic Stress Network has developed tools and materials to help educators, school staff, and administrators understand and respond to the specific needs of traumatized children.