"Another reason for the ban use mobile phones in school is to prevent students from having a excuse to cheat their parents to buy new moblie phones for them. When some students see their classmates have a new mobilephones, they feel inferior and ask for their parents to buy new phones.However, many students will say that use mobile phone in school is convenient for them to contact their parents after extracurricular activities, these are not hold suddenly and they can inform theirparents beforehand. So it is not necessary for students to use mobilephones in school."
