Schoolyards play a crucial role in children's physical and cognitive development, as well as in fostering social interaction and overall well-being. This systematic review synthesises empirical studies, published between 2004 and 2024, examining the impact of schoolyard design on the physical activity and play preferences of children between the ages of 5 and 12 through a gender-sensitive lens. A systematic search in five databases (Scopus, Web of Science, Dialnet, ERIC, and PubMed) was con