I suspect it’s not being addressed well because it’s one of the fundamental challenges of school in the first place. For many, assessment and grades are the end goal, and any learning that happens is secondary.
If it is reasonable, then the problem is likely the form of evidence and not its requirement se de
Ruining public schooling by under funding and having expensive private education for those that can afford it is just the neoliberal agenda. If there were no private schools, if they were illegal, along with home schooling -- not saying they should be, but if they were -- the wealthy would pump funds into the public schooling system before you can say "fuck you got mine". (Kinda like no private bunkers would mean a sudden interest in mitigating climate change globally and for everyone, hah)
I only meant to acknowledge the societal investment, not imply private education