Lesson Study as a research concept is a new idea to me - however, the elements of what comprises it are not. I am an advocate of peer observations and feedback as an invaluable tool in improving teaching and learning. However, in the 12 years I have been teaching, I have found that the majority of teachers do not want to engage in this kind of professional learning. I think there are a number of reasons for this but the main one being trust. I have found, in international schools, where your position is never tenured and you are always a guest in a country meaning your status often feels unstable, there is an underlying feeling of mistrust around observations. Rarely are they seen as tools for improvement but instead are viewed as ways to ‘catch you out’ and make you lose your job. It often doesn’t matter if you are an excellent teacher either, meaning even effective and experienced educators are not immune. It was with a refreshing air then that I read the article by Gebert and Gins...