Schools are complex ecosystems that evolve alongside societal challenges, making well-being a shared responsibility. In this article, discover how Nancy Goyette, full professor, and Coralie Beaumont, master’s student in educational psychology at Université du Québec à Trois-Rivières, examine how the educational psychology of well-being and the PERMA+4 model can address difficult working conditions, support collective mental health, and guide meaningful cultural change in school communities.