Collective responsibility means that teachers work in cooperation and collaboration, act, and solve problems together. When teachers act together, they can be more productive. Urban schools' principals prefer activity and project-based approaches in order to better integrate students into urban life, and for this, they work to ensure that teachers…

It is known that teacher noticing skills improve through different interventions such as video clubs, lesson study, and short-term professional development programs. However, it is not known whether this improvement is permanent and whether teachers can transfer their noticing skills into the classroom. It is extremely important to provide an…