You're taking a naive and extreme view of Capitalism. Nice try.
Schools could be privately owned and run for a profit. There is nothing saying that the US government could not purchase educational services from these private companies. The difference is, if a school no longer produces, their services would not longer be purchased.
Of course did not expect you to understand such a simple concept.
Because in order to service the kids with the most needs you need to treat them differently. A typical, and very ignorant, suggestion is to put kids with special needs at Nichols or Canisius.
That is the point that you always miss. ALL KIDS DO NOT FIT INSIDE OF THE SAME BOX. Yet teachers have to sell this BS because they run the big box and simply want the money. If you really cared about kids...you (as in your union) would at least admit that you (as in your public schools) are not fit to educate a large portion of the student body and suggest alternatives.
But of course you do not do this because it would mean money leaving your box...leaving the table of your next contract negotiations and leaving your pension fund.
You have indirectly blamed the parents. Additionally, while the teachers are not solely responsible...they are the only ones who were compensated for failure.
If I were to send an invoice to a client for work that was not completed, I would not get paid. I would be fired and eventually I would not longer get jobs to perform the same task that I could not complete.
There are many possible solutions to the problem but the challenge is the current system does not allow for any solutions to be implemented. Since education is for the most part is 'owned' by the teachers unions, they are the only service provider to work with. This is why your union fights charter schools with such tenacity.
If charters were welcomed with open arms we both know the eventual arrival of boarding schools for the most troubled would exist. Eventually, these schools would put a serious dent in the challenges that you mention and lead people to question the public school system. It would become...if they can produce THOSE results with THOSE kids...what can be the results with MY kids where I am ACTIVE. In short, it is the string on the sweater that you are never to pull.