“Would being armed change the dynamic between teacher and student in the classroom?” WBUR’s Deb Becker asked Lisa Graustein, teacher and equity coordinator at Boston’s Codman Academy. Codman is a successful K-12 charter school in Dorchester, a majority minority neighborhood in Boston whose public schools have long struggled to meet the demands of its population. Ninety-nine percent of students at Codman are low-income and of-color.more >