This book demonstrates how tolerance and ethnocultural empathy can be taught in secondary school citizenship classrooms through the application of sociology and social psychology. Combining theoretical, pedagogical, and policy perspectives, it presents the TEEMA (Tolerance and Ethnocultural Empathy for Mutual Acceptance) Resources and reports on mixed methods case study research in two contrasting Welsh schools. The findings show how targeted lessons on topics such as prejudice, labelling theory, in group/out group dynamics and media influence can move pupils from 'thin' tolerance (peaceful coexistence) towards 'thick' tolerance (empathy, mutuality and celebration of diversity). This interdisciplinary approach offers practical, transferable strategies and resources for educators, policymakers and youth practitioners seeking to foster inclusion, reduce prejudice and strengthen community cohesion - in the UK and beyond.