The use of homophobic language has a negative impact on gay young people, making them feel less happy at school and less likely to reach their full potential. In the worst cases, homophobic language impacts on young people’s mental health and wellbeing. This guide provides teachers and school leaders with straightforward practical ways to prevent and tackle homophobic language. Drawing on the experiences of those schools, local authorities and academy trusts who are leading the way on this work across the country, this guide shares tried and tested examples of policies, strategies and lesson plans to help schools start this important work.