Therearetwodifferentviewsontheideasofmobilephonesinschools. 　　Somebelievethatstudentsshouldbeabletousemobilephonesinschoolbecausetherearemanyadvantagestodoingso.Foronething,ifsomethingunsuallhappenedattheschool,thestudentswouldimmediatelybeabletousetheirmobilephonestoreachtheirparentsandrelatives. 　　Also,ifastudent'sparentswantstoreachthestudent,theycansendatextmessagetothestudentassoonaspossible. 　　However,asanoldsayinggoes:eachcoinhastwosides. 　　Phonesarealsobadforstudyingbecausestudentsmightbemoretemptedtosendtextmessageduringclass. 　　Furthermore,studentsmightusethemobilephonestocheatonexams,andthiswouldcausemanycontroversies. 　　Allinall,theadvantagesarebalancedwiththedisadvantages,anditisultimatelytheschool'sdecisionwhetherornottoallowmobilephones