My 'poor white boy' isn't failing at school. He just got a decent mark on his 11+ despite being seriously ill (was his last chance to sit it, and he was already ill before the first sitting).
My 'poor, disabled white boy' isn't failing at school. He has significant disabilities, but he is working his bloody socks off to try to catch up with his peers. He may be below average, but the gap is ever closing. And not through anything the bloody school is doing. He may never pay as much tax as your DD, but he will be working. And that in itself is nothing short of amazing considering that when he was 3yo, we were told he would never walk or talk.
My DD with disabilities and LD's is striving so hard to achieve her life goals. She probably won't ever be a high rate tax payer. But she will WORK. And this is the DD that I was told to leave in a residential home and get on with my life (by a SW) when she was just 7mo.
So screw the detractors, the haters, the people who think my DC's will never amount to anything. Because if just isn't true. So they may not be mega rich, and may not pay mega amounts of taxes, but they will be working, earning and contributing to society despite the fact that I am just a 'breeder'. 
Cos all I want 4 my kidz is 2 hav theyre dole money, innit?
Because a benefit claimant is never going to want more than that for their DC's?!
The people I know on benefits are either just escaped from DV relationships in the last year (and still in temp accommodation in one case), doing an OU degree so that when her toddler is school age, she can get a decent paid job, caring for a disabled DC, or working either PT or FT.
Not many things there say they are just 'breeders' and their DC's will be the same?
And think for a minute just WHO is going to do the low paid jobs that enable the higher paid to go about their daily lives, and do their jobs effectively.
The Neurosurgeon isn't going to be able to operate in a dirty operating theatre, are they?
The City worker isn't going to be able to return to her job after maternity leave if there are no Nurseries or childminders, is she?
The BTL LL isn't going to keep his second home if nobody can afford to pay to rent it, are they?
Your Granny isn't going to be looked after in the care home if nobody is doing the care worker's job, is she?
Low paid jobs are just as essential to Society as higher paid jobs. Maybe they aren't valued financially, but they would sure be missed if nobody did them!
The only way this is going to work is if we go back to the days of tied servitude. Where you couldn't have a relationship without your employers agreement, where foundling hospitals were ten a penny, where there were workhouses for those that couldn't support their family.
Is that the world you really want, Xenia?