If I were a school principal, I would implement a flexible approach that takes into account the individual characteristics and interests of students. For example, you can organize extra classes or hobby clubs, as well as apply flexible teaching methods so that each student develops at his own pace. This will help to increase interest in learning and improve academic performance. Secondly, you should eliminate useless administrative tasks, unnecessary paperwork and inefficient use of time. Optimizing processes would ensure that both teachers and students have more time for learning and teaching. Thirdly, respect and loyalty to people is a main principle of Lean, so I would create a collaborative environment in which teachers will have great opportunity to share with each other different practices and learn from each other. Finally, I would involve students in the improvement process, helping them see how Lean principles are applied not only in the classroom but also in everyday life. Such a comprehensive