“…In this regard, PA has positive effects on health [ 5 , 6 ], as it builds strong muscles and joints, it reduces the risk of developing certain chronic diseases [ 7 , 8 , 9 ], it raises self-esteem and confidence and it reduces stress and anxiety [ 4 , 10 ]. If we also consider the positive impact that exercise has on academic performance, [ 11 , 12 , 13 ] and the factors that influence student achievement—cognitive ability and aptitudes (concentration, memory, speaking ability), school behavior (attendance, time allocation for tasks, behavior in society) and academic success (grades, evaluations, exams)—it is quite clear PA is paramount [ 5 ]. Additionally, several studies confirmed that academic performance is improved when theoretical classes are reduced in order to increase attendance to classes of physical education [ 3 , 8 , 9 , 14 , 15 ].…”