Bullying in schools has become rampant nowadays. Those who are having the mind of bullying others should.be mindful because it is not the best to bully people.
Bullying on Social media is another thing we need to stop because we have to mind the kind of words we say to people.
Yes, it's true as you said, bullying at school often occurs in lower class children, because they are afraid of children in upper class, as well as social media bullying is very dangerous for the mentality of others