Jul 26, 2023,

‘UNESCO—the United Nations’ education, science and culture arm—called for a ban on the use of smartphones in classrooms Wednesday, warning they can disrupt learning activity in its annual Global Education Monitoring Report, which notes that one in four countries have already banned the devices in schools.’

https://www.forbes.com/sites/siladityaray/2023/07/26/smartphone-ban-recommended-in-schools-as-un-says-they-are-a-distraction-to-learning/?sh=4e1b1b209c05