SocietySelectivity: detectors will be used to prevent students from cheating with their mobile phonesDiana Silva11-05-2026
![A classroom full of students taking the university entrance exam, in a file photo.](data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 9"%3E%3C/svg%3E)