2024 Yes Do Lessons in Nature Boost Subsequent Classroom Engagement? Refueling Students in Flight https://doi.org/10.3389/fpsyg.2017.02253 Kuo, Ming North America Experimental Students Elementary (K-5) Green space Cognitive Function classroom engagement Academic achievement teaching outdoors lessons in nature environmental education This study compared classroom engagement after indoor vs. nature-based lessons across 10 matched topics in two third-grade classrooms. Engagement was consistently higher after nature lessons. Findings suggest outdoor instruction can enhance classroom focus, supporting integration into school curricula. 2018