This study examined the network of relationships between sport ability beliefs, achievement goals, self-determination and female students' enjoyment in school physical education (PE). Female secondary students (n = 343) from a single-sex secondary school in Singapore participated in the survey. They were assessed on sport ability beliefs, goal orientations, relative autonomy, perceived competence and enjoyment in PE. The findings established that incremental belief predicted task orientation. In addition, relative autonomy, task orientation and perceived competence had strong and direct impact on enjoyment. Overall, the present study offers some insightful thoughts for promoting enjoyment for girls in PE and physical activity. (Contains 1 table and 2 figures.)