Transformative, innovative practices and sustainable professional development are not achieved just by attending workshops, seminars and specific designed teacher education courses, though these programmes may often include action research methodologies (Fullan, 2007;Vieira, Moreira & Peralta, 2014 (Gonçalves, 2011) and followed a job embedded approach in trying a direct connection between teacher's work in the classroom and the PD teachers were provided, as argued by DiPaola and Hoy (2014). The study analyses the PD offers provided to the teachers from 2014 to 2016 in different perspectivescontents, structure, preparation, implementation, evaluation and outcomes. The data analysis indicates that the chosen PD strategy started by gathering the available knowledge, followed by putting it into circulation among the teachers, and finally tried to improve it, shaping its improvement with the active contribution of the teachers towards a joint planning of PD, which could be considered a step into co-designing teacher PD, towards its sustainability.
enabling self-directed professional development (PD) processes and simultaneously empowering teachers and strengthening their professional knowledge (PK). To meet all these requirements we believe that besides th e committed and collaborative participation of teachers, PD processes should include leadership and supervision. This paper looks at the particular case of teaching Portuguese as heritage language (PHL) in Switzerland. It analyses the PD strategy designed by the pedagogical coordinator (PC), which was based on the conclusions of a previous study on PD