A teacher records an online English course as on-campus classes have been suspended amid coronavirus outbreak, Yinchuan City, Ningxia Province, northwestern China, February 17, 2020. /Xinhua Photo

In Ningxia Province, the courses are accessible both on TV and mobile apps, and cover a wide range of subjects, including general education, mental health and even P.E. /Xinhua Photo

Sixth-grade student Liu Ziqi takes online math course on her mobile phone as she is at home under quarantine. /Xinhua Photo