With the widespread use of smartphones on campuses, managing student phone usage during school hours has become a common challenge for educators worldwide. From preventing exam cheating to reducing classroom distractions and ensuring the safety of personal belongings, more and more schools are realizing that phone lockers are no longer a “nice-to-have” facility, but a “must-have” for modern campus management. So, among the various technologies available—fingerprint, RFID card, and barcode—which type of phone locker is best suited for a school environment? This article provides an in-depth analysis and recommends the barcode phone locker, the ideal solution for educational settings. 1. Why Do Schools Urgently Need Phone Lockers? During exams, phone-based cheating is a persistent problem. Even if a student has no intention of cheating, having a phone in the exam hall can create distrust among invigilators. In daily teaching, phones disrupt classroom order and negatively impact learning efficiency. More importantly, when students store their phones together, safety and privacy become paramount. Simply piling phones on a teacher’s desk or in a cardboard box creates significant management risks if phones are lost, misplaced, or damaged. A dedicated phone locker with individual compartments, traceability, and ease of use is essential to solving these issues. 2. Comparison of…