It's absolutely the parent's job and not the school's. I agree there. But that's all idealistic dreaming spires theory.
We don't live in an ideal world, we live in the UK, where 1 in every 6 children are growing up in emotionally, physically and sexually abusive households. Witnessing domestic abuse, severe MH crisis, addiction, etc. Personality disorders. Parents who only had the child out of social pressure, coercement or because they're sadists who wanted a minature punching bag. There's a Baby P, a Victoria Climbe and a Star Hobson on every street, in every class.
With no one to model those wonderful life skills and other things that angelic middle class parents seem to assume are imparted to every child by delightful, emotionally intelligent parents... What happens to these kids? Half will replicate the abuse, the other half will struggle the rest of their lives with immense lack of worth and MH issues. And thus the country spirals into
Every other kid is self medicating now. acting out, acting up. Or drowning with no one to help them. GPs are seeing 17 year olds with Ket bladder urinating blood. This shit happened in the 50s and 60s yeah, there were always problems. But we're not in 1965 anymore. Their future should be looking brighter than the past.
Remember Matilda? The Dahl book/film seems almost mild compared to the lives of children marred by what often passes for parenting now. But the theme still applies. It takes a village to raise a child. Everyone has a duty to other people's children, whether they like it or not. That's part and parcel of living in a society. You don't get to shrug and simper and say 'its not XYZs responsibility'. Without Miss Honey to act as a counterpoint to her horrifically neglectful parents, where would Matilda have ended up? Every child deserves a Miss Honey.
And that's why we need a community intervention service of some kind. It's a lot to ask of teachers, and they shouldn't have to be the ones who implement it. So everyone needs to say enough is enough and start metaphorically smashing apathetic people in the face. We need more eyes and ears looking out for kids and building them up from the ground up. Many teachers are of course school bullies themselves who never grew up, they need to be weeded out of the system and binned.
What we don't need is the 'I'm alright Jack, not my problem, my little Johnny is fine' attitude that has lead to what we're seeing now - total breakdown of civility and children as young as 8 attempting suicide (and succeeding).
Bullies need to start getting put in line. Good kids need to know we have their backs. Cowards and spineless people who look the other way need to be kept far away from children. Otherwise we end up with a lopsided late stage neoliberal world of Trumps and Murdochs who think they can crush everyone else into dust.