This case study examines the motivations of, and processes used by teacher leaders to establish a peace program at their middle school. These teacher leaders creatively engaged students in transforming school culture using empowering strategies to build positive peace among students, administrators, and teachers. Theories of peace education are used as a framework to facilitate analysis of the data, which was collected through qualitative methods including observations and in-depth interviews. This study contributes to understandings of how teacher leaders promote positive peace in K-12 schools and their communities.