The Colegio La Enseñanza Albacete application allows the communication of the school directly to the parents' mobile, in real time, through instant messages. It is a bi-directional communication channel, the center can send messages to parents and students, and they can also send messages to the center. The messages can be in multiple languages, and may contain attachments (PDFs, photos, videos, etc). The data travels always encrypted, therefore it is the most secure communication system between