Question: what are the advantages and disadvantages of students using mobile phones in classrooms?
Answer: Pro: Emergencies. Having a cell phone on hand enables a student to quickly summon assistance in the middle of an emergency. ... 
Con: Student Distraction. ... 
Pro: Parental Contact. ... 
Con: Class Disruption. ... 
Pro: Difficult Enforcement. ... 
Con: Theft. ... 
Pro: Child Location. ... 
Con: Cheating.