The product of a two-year research project stemming from a master's degree in Education (UERJ), this work takes cinema as an object of scientific research by looking for schools in western films. Anchored in a theoretical foundation that includes Gilles Deleuze, Walter Benjamim and Boaventura de Sousa Santos, the methodology of research into/with everyday life, the history of the United States and cinema, the book sets out to show the importance of cinema beyond entertainment.