Collective punishments take some of the heavy lifting from the teacher and place it on the peers to impose social sanctions. But it's likely to make students disengaged, and misbehave more.
Teachers should seriously reconsider using technology to monitor behaviour because of the negative impact it could have on students.
Reports that Australian classrooms are some of the most disruptive in the world are based on the experiences of 15-year-old students alone, and focus on science classes.
Leaving teachers to deal with challenging behaviour on their own can be unproductive and stressful.