The document discusses societal curriculum and how it can be incorporated into school education through intergenerational activities. It defines societal curriculum as the lifelong informal learning that occurs outside of schools through social influences. The document proposes that schools involve grandparents as sources of knowledge, experiences, and role models on various topics. Examples are provided, such as interviewing grandparents about their experiences in World War I and II. The goal is to improve interactions between students, teachers, families, and society through intergenerational activities that draw on grandparents' contributions.