Nowadays there are many investigations in education system, which discover and provide new methods and approaches, which help to tech and learn in effective way. In this paper we studied a new innovative method as Lean. We examine the history of this method, its effectiveness and role in educa-as Lean. We examine the history of this method, its effectiveness and role in educa-Lean. We examine the history of this method, its effectiveness and role in education system, and tried to distinguish advantages and disadvantages of this method.