California schools face funding crisis as enrollment declines
latimes.com
latimes.com
The number of teachers you need this year depends on how many students you have this year, not 2 years ago, but government schools exist in part to reward the teachers' unions, which donate to and campaign for politicians who give them more money.
I do believe the education system in America is designed to fulfill a few functions. The best interest of the children is not one of them.
The only people who can reasonably advocate for child welfare are parents, not teachers or politicians. Parents who take an interest in their children and attend school board meetings are being demonized. That should tell you all you need to know about the situation with schooling.