“KINGDO CLOUD” offers a comprehensive platform that facilitates instantaneous information sharing. With the help of cloud servers, as well as PCs, mobile devices and data networks, a medium is created through which parents of elementary school and preschool students can easily and effectively communicate with teachers. In addition to this communication function, the “KINGDO CLOUD” also enables schools to collect important data concerning school management. The service thus enhances the relationship between schools and parents, improves the school’s image, strengthens the school’s management capabilities, and increases the school’s competitiveness in terms of attracting students.