Actually effective way to protect kids without massive societal consequences and it also improves learning.
Stanford researchers studied the second assertion and found no change
https://ed.stanford.edu/news/national-study-school-cell-phon...
How is this effective at all? Every kid will continue to use them surreptitiously, as they always have.
Stanford researchers studied the second assertion and found no change
https://ed.stanford.edu/news/national-study-school-cell-phon...