This document summarizes research on the effects of a teacher training program in Lagos, Nigeria. Surveys and experiments were conducted on 908 teachers, 1,011 students, and 250 parents who participated in the Quality Assurance and Research Development Agency (QAARDAN) program or served as controls. The results show improvements in teaching styles and disciplinary issues for teachers who participated. However, the experiment revealed differences between how teachers and students approach discipline. Overall, the analysis found the program had positive impacts but also emphasized the importance of social networks and communication for development programs.