The research goal is to design and implement a comprehensive approach to the organization of testing the students with the tools provided by Office 365. The tasks of the research are to analyze the ways of using cloud services to monitor the students’ knowledge, to create and adapt the requirements to pedagogical testing using cloud technologies, choose the rational tools for usage in the educational process. The object of research is the process of usage the testing control using Forms tool for assessing the achievements of students of the institution. The subject of research is the usage of cloud services in testing the students. The paper deals with the problems of organization of pedagogical testing, the possibilities of Forms Tool for Assessment of knowledge through testing. Results of the research are planned for implementation in the educational process of educational establishments that use the cloud services Office 365.