AsS．KamakshiandherfriendsplaykhokhoontheplaygroundoftheChennaiHigherSecondarySchoolinThiruvanmiyuradistanteyeissystematicallywatchingthem.TheCCTVcamera(监控摄像机)herehasbeeninstalled(安装)aspartofanexperimentalproject.

AccordingtoA．P.Subramanianassistantheadmasterthepublicschoolhasfourcameras.Thecamerashavebeeninplaceforcloseto45days.HeadmistressK.B.Gomathisaysthatsinceonlytwonightwatchmenguardtheirlargecampusthemoderntechnologyhelpsgreatlyintermsofsecurity.Fourmorecameras，shesays，willbeinstalled.Itsroleinkeepingdiscipline(纪律)isonlyanaddedadvantage.

Whenaskedabouthowtheyfeltaboutthecameras，studentslistedthingstheycouldnolongerdo—theywouldnotbeabletodroplitterontheplayground，theywouldnolongerbeabletogetintofights.Beyondallthatthough，N.Shaliniandherfriendssaythatifsomeonefelldownandinjuredhislegwhileplayingonthefield，theywouldbeconsciousofthefactthattheirteacherswouldcometohisaidimmediately.

JeyapriyaR．，ateacherattheschool，however，raisesafundamentalquestion.Forhowlongcanstudentsbedisciplinedbyacamera?Discipline，shesays，hastocomefromtheinsideofanindividual'smind.“Butwhenstudentshaveaquarrel，andparentscomeasking，wehavetheevidencetoshowthem，”sheadds.

Unlikepublicschools，privateschoolsinthecityhavebeenusingCCTVcamerasforafewyearsnow.AjeethPrasathJain，headteacherofBhavan'sRajajiVidyashramsaysthathisschool's80cameraswereinstalledfiveyearsagoandhavebeenhelpfulinkeepingawatchonthechildren.“Weabstain_frominstallingcamerasinclassroomsbecausewedonotwanttorobthestudentandtheteacheroftheirfreedom.Theyhavebeeninstalledonlyinthemovementareasandthelabs，”hesays.

EducationistS．S.Rajagopalanhoweversays“Thissystemisbasedonthemistakenassumptionthatchildrenwillbehaveonlywhenwatched，”hesays.Children，headds，areverylikelytomisbehaveinacontrolledatmosphere，andmustbegiventhefreedomtobechildren.

28．TheChennaiHigherSecondarySchoolwillinstallmoreCCTVcamerasmainlyto________．

A．keepthestudents'disciplineB．improvethesafetyofthecampus