The project aims to support 5 municipalities for the renaturation of their public school on the principle of a common-school pairing. It is both a question of accompanying elected officials, the educational community including parents, and children in a process of consultation to achieve an exemplary, realistic and adapted renaturation of school courses and to develop methodology likely to be swarmed. The method and the realization will take into account the adaptation to climate change, the preservation of biodiversity, health and social life within the institution including on the equality between girls and boys.