This chapter aims to present a conceptual model in order to facilitate sustainability in cloud computing resulting in sustainability in organizational knowledge in education. From one perspective, while cloud computing has been considered as a recent area of research due to arguments round its value to organizational performance, sustainability has turned to be a typical common norm due to the discovery of uncertainty in various human aspects. From a different perspective, the role of Knowledge Management in enhancing organisational success has been detected in different researches. The main consensus after these researches is that the more effective management of knowledge is, the more effective the organizational performance will be. Therefore, this chapter presents a theoretical framework of potential links among cloud computing, knowledge management and sustainability.