The elementary school of Jean Moulin in Saint Maximin la Sainte Baume is committed in a new plan this year which consists in training mediators to the primary school but also to the secondary school with the aim of fighting against the violence and the harassment and so developing a serene climate within the school and convenient to the success of all the pupils. This plan integrates various partners of the city of Saint-Maximin: Jean Moulin school, Matisse secondary school , the city hall. The training given by the organization: FIKO located in Berlin, corresponds exactly what our establishment is looking for. Because Fiko institution organizes training courses which allow to give tools to identify the needs for the pupils within a group, improve the communication adults / pupils / parents. Besides, the primary school of Saint-Maximin Saint Baume is situated in a rural zone in the Center of Var and it's important for us to develop an European dimension and to open our school to innovative practices. The various activities of the training course are described below: Exercises to improve the understanding within a group, - lectures on the neuroscience in the service of learnings, - How to react when the rules of life in classroom are not respected? - The non violent communication, - Tools of mediation, - Case studies and role plays on the mediation, - Exchanges of experiences between the participants. This method thereafter experimented with the pupils will improve the school climate, a better listening of others and, in the longer term, an improvement of school results. Indeed, a pupil who goes serenely to the school is more available to learn in better conditions and the teacher spend more time to teach his knowledge and not to settle numerous conflicts.