3 yuan every month or 5 yuan every month. According to the inquiry of China Mobile official website, the charging standard of China Mobile School Communication is 3 yuan or 5 yuan per month. The first contact is charged and the second contact is free. School newsletter is a home-school communication platform built by China Mobile for the education industry, which mainly provides information release, communication and interaction, safety management and other services for schools, teachers, parents and students. Through SMS, voice, Internet and other means, information transmission and interactive communication between schools and families can be realized.