The hallways are filled with the sound of pupils singing and reciting from Chinese texts during a recent visit one weekday morning to Liangxiang No. 4 Elementary School in Beijing.
In music and language classes, it is not just teachers who keep an eye on the children - two classrooms were recently fitted with an artificial intelligence (AI) system that keeps watch on how pupils behave and react to lessons in class.
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A version of this article appeared in the print edition of The Straits Times on December 29, 2018, with the headline Beijing school uses AI to keep an eye on pupils . Subscribe