This chapter highlights the importance of fostering an inclusive school environment that supports the psycho-emotional well-being of all community members. Increasing awareness among researchers, practitioners, and policymakers underscores the pivotal role of the school experience in promoting mental health for both students and teachers. “School climate” refers to the psychological, social, and physical atmosphere within a school, influencing academic performance, behavior, and well-being. It includes relationships, perceptions of safety, support, control, and shared values. A positive school climate fosters productive learning conditions and engagement, leading to desirable academic and mental health outcomes. Inclusive educational practices ensure all students, regardless of background, have access to quality education and feel supported. This chapter emphasizes the need for schools to adopt inclusive climates, to promote the well-being of students and teachers, addressing interconnected goals of health and education for all.