中小学生手机禁止入校
mobile phone ban for primary and secondary school students

教育部办公厅印发了《关于加强中小学生手机管理工作的通知》。

Primary and secondary school students will not be allowed to bring mobile phones to schools, according to the circular from the Ministry of Education (MOE).
教育部发布的通知明确，中小学生原则上不得将个人手机带入校园。