The 'knowledge turn' in curriculum studies has proved highly influential in the past two decades. But what is meant by knowledge remains both unclear and subject to contestation, particularly in relation to English as a school subject. Two recent books address the knowledge question in very different ways.

This study aims to investigate how a teacher's creative teaching is affected by the teacher's imagination and his or her school principal's visionary leadership, and how the contextual moderating effects are at play among the cross-hierarchical factors. The research framework is divided into two levels: the individual level on how "teacher's…