These funding profiles are based on the methodology used in our reports on school funding fairness. The reports can be found here: http://schoolfundingfairness.org/ and the technical appendix can be found here: http://schoolfundingfairness.org/
This graph is based on an updated model which includes data from 2007-08, 2008-09 and 2009-10 (these are linear projections of otherwise messy distributions… hence the fact that some of the lines cross at/around 0% poverty).
The bottom line is that while Federal Title I programs certainly provide much needed funds to many high poverty districts, in the big picture, they are a drop in the bucket. They are now, and have been for some time.
The states in this figure are among the least equitable in the nation. And Title I aid simply isn’t sufficient to fix that. Equitable and adequate financing of local public school districts remains the responsibility of the states, and these states have some work to do!