The purpose of this article is to discuss the use of means of mass communication as auxiliary tools of Religious Teaching, based on the theoretical proposal elaborated by the team of the State University of Campinas, in collaboration with the Secretary of Education of the State of Sao Paulo (Brazil), during the period of August 2002 and October 2003. Public media, such as commercial and religious television, websites and magazines are considered as valuable resources in order to develop religious tolerance from the understanding of cultural diversity.