“…Given that, this bottom-up teacher education approach is compatible with peer coaching which is a bottom-up PD tool (Joyce & Calhoun, 2010;Soodmand Afshar & Doosti, 2022). Therefore, by integrating these two bottom-up approaches, the coach, protégé and educational system benefit from a move towards a more critical self-directed teacher PD (Kamali, 2024;Koay, 2023). Second, since the Galperin model underscores the importance of social interaction in the learning process, it is in line with the ultimate purpose of peer coaching programs to provide opportunities for teachers to collaborate, share ideas and learn from each other's experiences (Hargreaves & Fullan, 2012;Orland-Barak & Wang, 2021).…”