In 2017, Guinea became the first French-speaking country to implement the Fit for School approach. The “Fit for School” approach is based on three essential principles: simplicity, sustainability, and scalability. This manual (in French) presents practical steps that directors of schools, teachers, parents and the community must follow to engage in activities based on the “Fit for School” approach. It details the characteristics a favorable school environment and describes concrete actions for implementation. In addition, this manual provides instructions on cleaning, operation and maintenance, as well as on evaluation procedures regular and structured. Finally, this manual outlines the roles and responsibilities of different stakeholders.