San Mateo High School Goes Phone-Free Posted by the_narrator on Thursday August 22, 2019 @04:30PM from the abc7news.com dept. https://abc7news.com/education/san-mateo-high-largest-public-school-in-country--to-go-phone-free/5479289/ ( 1 comment | 3 points | on HN )
Also, considering that these are magnetic I'm guessing a strong magnet would do the trick.