The Center for American Progress notes that per-pupil education spending has tripled over the past four decades, even after adjusting for inflation. There are clearly some serious issues as to how effectively this money is being spent.
The CAP has done an extensive analysis of educational productivity at a district-by-district level, attempting to control for the effect of non-school factors influencing cost and performance. Here’s a nifty interactive map–note that you can select from three different variants of the calculation methodology.
I’ve looked at the methodology and results only at a very cursory level, but this study–which clearly involved a lot of work–looks worthy of attention.
(via Joanne Jacobs)