As U.S. Secretary of Education Arne Duncan works with other Obama administration officials on policy responses to the shootings at a Connecticut elementary school, he brings a personal and professional history that has acquainted him with the impact of gun violence. As schools chief in Chicago from 2001 to 2008, he was affected by the gun deaths…

Confronted with widely publicized accounts of assaults by juvenile sex offenders against fellow students or school staff members, several states are grappling with the issue of how to balance a student's right to an education with the threat that such a student may pose. Legislatures and agencies in several states, such as Arkansas, New Mexico,…