Fixing the Schools has been a massive political issue for decades. Huge amounts of money have been spent and all kinds of strategies have been tried. When you look at the long-term trends, though, you see only the standard, persistent performance gaps associated with demographic factors. The money and changes in education policy barely show up as blips.

If there were an obvious way to change things, things would have changed by now.

https://www.arnoldkling.com/blog/the-null-hypothesis-in-educ...