This article examines how social emotional learning contributes to bullying prevention efforts in schools. Bullying behavior is impacted by multiple levels of the social-ecology of schools. Social emotional learning (SEL) is a structured way to improve a wide range of students' social and emotional competencies and impact bullying at the individual and peer levels of the school social-ecology. SEL has been shown to be an effective component in comprehensive bullying prevention interventions and other interventions targeting problems such as substance abuse. SEL programs have also been shown to improve student skills, reduce problem behaviors, and increase academic achievement. This article discusses how skills taught in SEL programs contribute to bullying prevention and shows the research links between SEL skills and bullying. Specific suggestions are provided for teachers of ways to support student skill acquisition and strengthen the gains provided by SEL programs.