This book series relates to glq Theoretical Foundations grq and glq Practical Realizations grq of Movement/Play/Sport. The intention is to provide contributions for the analysis of Movement/Play/Sport, which determine to a great extend as phenomena the life of people today. In the volumes of this book series special consideration is given to a close relationship of theory and practice. Volume 3 presents the topic "The Future of School Sport (Physical Education)in Today's World. Scientific Concepts for Practical Innovations." The structure of the book is divided in three major dimensions: (A) Phenomenal: Movement/Play/Sport (M-P-S). (B) Educational: Sport Education. (C) Scientific: Sport Science. The intention is to present research results, mainly from the theory field "Sport Pedagogy," in its relevance for realizing school sport in the future, in order to contribute to the acceptance of school sport (Physical Education) as a fully recognized school subject.