A positive transition to secondary school is pivotal to adolescents' mental health and success. However, the school transition research has mainly focused on transition-related adversities rather than adolescent wellbeing and adaptation. While the disturbing consequences of a difficult school transition are known, little attention has been paid to…

Background: This study aimed to assess whether a school-based physical education intervention was effective in improving physical abilities and influencing daily physical activity habits in primary school children. The possible effect on body mass index (BMI) was also considered. Methods: Twenty-six 3rd-grade classes were randomly selected…