Louise Moon, "Pay attention at the back: Chinese school installs facial recognition cameras to keep an eye on pupils ", published 16 May 2018 on South China Morning Post. Available: https://www.scmp.com/news/china/society/article/2146387/pay-attention-back-chinese-school-installs-facial-recognition
The school said it could use the cameras to analyse pupils’ facial expressions to determine whether they were enjoying lessons and whether they were paying attention.