Sending text messages and playing around with cell phones is a part of teenage culture
People who believe cell phones should be banned in school say there are lots of good reasons. One of the most commonly mentioned reasons is the upsetting nature of phones ringing or vibrating during class. Students can send text messages to each other and send answers from exams, a high tech way to cheat. Phones can also act as MP3 players, another interruption. The built-in cameras have been used by some students to post harassing photos or videos on websites like Cyworld.
Read the rest of the post here