Why are students behaving so badly in and out of class?

Viral videos of students displaying poor discipline in classrooms or beating up fellow classmates have made the rounds recently. Have things gotten worse? How can teachers be better supported? Steven Chia speaks to Dr Wong Hwei Ming, senior research scientist at the National Institute of Education, Ryan Ong, a 24-year-old university student and founder of The Catalyst Collective and Sarah, an ex-teacher who requested anonymity.See omnystudio.com/listener for privacy information.