The gap between rich and poor schools grew 44 percent over a decade. is a comprehensive and nuanced article in The Hechinger Report about school funding.
It points out, as some similar articles have not, that this gap tends to disappear after you add federal funding. However, it also points out that federal funding has always supposed to be extra funding to support students in need, not money to equalize the money spent.
Here’s an excerpt from the article:
You might also be interested in a previous post, Statistic Of The Day: Inequity In School Funding.