I thought most of the funding comes from local property taxes. That means there are little or no cross subsidies. I image special ed is a huge cost, specially f

I thought most of the funding comes from local property taxes. That means there are little or no cross subsidies. I image special ed is a huge cost, specially for kids that need to be home schooled. But even that is unlikely to explain the high cost of public schools, and it definitely does not explain the increasing costs.