Teachers in schools play an important role as school based teacher educators – or mentors as we choose to call them. However, they do not always recognise themselves as teacher educators. Their primary task is to teach pupils. The mentor role is vague, and can be understood in different ways. In the literature we find that there is no universal definition of mentoring. It is a contested practice, and different concepts such as mentoring, supervision and coaching are used (Aspfors & Fransson, 2015). Furthermore, even if researchers have underlined...