I couple of years ago I read part of a Dept. of Education report that said that K-12 per pupil spending had tripled, adjusted for inflation, since 1970 with no measurable improvement in math and reading scores. This fact was buried deep but was dug out by Reason.
I don’t doubt those figures, since just teachers’ take-home pay must have at least doubled (adjusted for inflation) as the unions basically extorted full-time salaries and benefits for part-time jobs.
This is what is killing NJ, and is part of the larger divide-and-conquer strategy of the Dems (rousing increasingly non-white parents to demand “education” dollars from increasingly childless white taxpayers); they win votes on both the generational AND racial aspects (while Honky McCracker taxpayer has to suck it up).