This research started as part of the final project for the Culture of Peace, Conflict, Education and Human Rights Interuniversity Master degree in Malaga. The main purpose of this paper is to describe and to interpret the situation of the Project “Red Escuela: Espacio de Paz” in a high school from Málaga city, through high school students’ conceptions and the analysis of the papers filled out by the students who have been sent to the Coexistance classroom. This is an exploratory and descriptive research in which we use both non-participant observation and content analysis and a questionnaire with open and closed questions, as Likert questions. The 206 participants are divided into 117 students of 1st year and 89 of 2nd year. The results shown belong to the analysis of the questionnaire items related to classroom Coexistence, focused on categories such as "Interruptions", "Violence", "Conflict" or "Disrespect". The presented data show a double reality: first students appear to have so internalized the theoretical sense of the project, but at the time, when these attitudes are expected to be included in daily practice, the situation is far from what should be got of a project of these characteristics.