Chinese urban households have only a per capita income of 29,831 yuan – an abysmal $4,500 a year.
https://geopoliticalfutures.com/china-is-still-really-poor/
And we see the effects of poverty on education: "Surveys by Rozelle's team have found that more than half of eighth graders in poor rural areas in China have IQs below 90, leaving them struggling to keep up with the fast-paced official curriculum"
http://www.sciencemag.org/news/2017/09/one-three-chinese-chi...