Diversity in School is a Brazilian initiative that seeks to increase understanding, recognition, respect, and value social and cultural differences through offering an e-learning course on gender, sexuality, and ethnic relations for teachers and school administrators in the public school system. The course and its objectives aim to enable staff and students in schools to realize their full potential through the promotion of a culture of inclusion. The course is the result of a partnership between the Brazilian government (Secretariat for Policies on Women's Affairs, Secretariat for the Promotion of Policies on Racial Equality, and the Ministry of Education), the British Council and the Latin American Center on Sexuality and Human Rights (CLAM) from the State University of Rio de Janeiro. CLAM has developed the content and the methodology. Since 2008, 40,000 teachers have been trained all over the country. This article highlights the importance of improving understanding of gender, sexual, ethnic and racial diversity in order to create a positive learning environment inside of schools.