They can provide systemic coherence and consolidate the vision of w hat the country considers to be a good teacher. Professional standards describe a common set of competencies that good teachers are expected to have or develop throughout their careers. They are an opportunity for members of the profession to link research and practice further, building a collegial understanding of long-term goals, means and accountability based in practice. Furthermore, this shared understanding of what constitutes a good teacher can help to better align classrooms, schools and system-level organisations, w'hile providing the necessary resources to teachers to better support student learning (OECD, 2010, Kleinhenz and Ingvarson, 2007, Toledo Figueroa, Revai and Guerriero, 2017).