This is most interesting. Do students have a right to privacy? If so, is such right completely subordinated to parental discretion and responsibility? If it were my son, I think I would first strive to teach him enough principles for me to trust him so that I don't have to resort to tracking him.

https://www.nytimes.com/2012/03/23/world/americas/brazil-computer-chips-track-students.html?_r=1&scp=1&sq=brazil%20chip&st=cse

-- AlejandroMercado - 23 Mar 2012