Schools are increasingly putting students under closed-circuit television surveillance to cut bullying.

The practice is suggested in new Ministry of Education bullying prevention guidelines - and some schools have already put cameras near toilet blocks after learning bullied children were avoiding them for fear of getting bashed. One Auckland principal reportedly keeps an eye on monitoring screens in their office.

The bullying prevention document is the work of an advisory group including the Children's Commissioner, police, education unions, principals' associations and cyber-safety organisation NetSafe.

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