Does relaxing strict school discipline improve student achievement, or lead to classroom disorder? We study a 2012 reform in New York City public middle schools that eliminated suspensions for non-violent, disorderly behavior. Math scores of students in more-affected schools rose by 0.05...

Public investments in repairs, modernization, and construction of schools cost billions. However, little is known about the nature of school facility investments, whether such investments actually change the physical condition of public schools, and the subsequent causal impacts on student...