I agree with ADark and Bertrand and special.
I have a very wealthy friend who I had to spell a lot of stuff out to, as a working poor. For many, many, when the money runs out, there is no other money, no access to money. You have no one you can borrow from. You have no access to credit except at high interest rates. There is literally no money. And it's every.single.month, because you never have enough to save and you've cut everything to the bone. You may be stuck in some dire estate, and that's you stuck because there is zero way to save for a deposit on a private place and no private landlord will take you anyway because you'd need partial housing benefit. It's not being able to do a wash because you're in the emergency credit on your leccy metre. If you're rural, you may not have the ability to get to a Aldi or Lidl or to the one shop in town miles away when they put the reduced products on. It's relentless. The slightest thing goes wrong, an appliance breaks, the banger you use to get to your zero hours job fails its MOT, your kid loses their shoes at school or they go missing and it's a catastrophe. It's years and years of endless grinding down and facing that fact now that if you're poor, everyone blames you for that.
One meal of jacket spud and slaw and a piece of fruit is heaven because it means you had the leccy to do a jacket spud, a microwave to do it in, slaw and fruit. Wow.
And if you got a 100% bursary then who pays for all the extras that are charged for in such a school? Seriously? Who pays for the pupil's train fare or coach fare back home for hols because that could just be the tipping point where a family can't afford it
It smacks of playing poor, slumming it and even Marie Antoinette gave alms to the poor. Didn't stop the government's systemic persecution of the poor.