Family members play an integral role in shaping the learning, development, and health of students. The relationship between families and schools reinforces children’s health and learning in multiple settings: at home, in schools, in out-of-school time programs, and in the community. This brief highlights national data to describe the state of family engagement in physical activity in schools in the United States of America, and identifies key strategies and ideas that parents, school districts and schools can use to improve family engagement.