The mailing address for receiving letters and packages listed in the current version of the Student Guide (p.19) needs to be updated. 
The updated address in English is:
(Student Name and Room Number)
Xinsong International Dormitory
Service Center for International Affairs
Beijing Normal University
19 Xinjiekouwai Street
Beijing 100875
P. R. China
In Chinese, it is:
100875 北京市新街口外大街19号
北京师范大学外事服务中心
新松公寓(Room #)号房间
(Student’s Name in English and in Chinese if possible)
P. R. China