Americans might not get phone-free schools but others in places that have their shit together on gun regulations and police corruption/incompetence will.
In short, the police department's involvement (or lack thereof) has made parents feel that they can't rely on the police to communicate or coordinate during a mass shooting.
https://www.cnn.com/2023/07/05/europe/netherlands-school-pho...
https://www.cbc.ca/news/canada/british-columbia/bc-restrict-...
Americans might not get phone-free schools but others in places that have their shit together on gun regulations and police corruption/incompetence will.