Öz In this study, the concept of crisis and its basic characterisics for schools, preperation and effective intervention to crises that schools may face were discussed. In the study, the causes of crisis were defined by giving examples of crisis occurred in schools and published in media in Turkey. It was emphasized that establishing a Crisis Intervention Team (CRT) and training them, preparing Crisis Intervention Plan and being ready to implementing the plan are among the preperations of school administrators’ to crisis. There are common aspects of the preperations for crisis that can be shared by different organizations as well as unique aspects for organizations. During the intervention and implementation of crisis plans by school administrations, it is a necessity to communicate and coordinate with the plans and implementations of local, regional and national level