Colorado Rankings: Colorado rankings from a variety of sources. The data is audited, so it lags current data.
K-12 Per Pupil Funding: Colorado versus National Average comparing Colorado per-pupil funding to the National Average 1970 – 2015 (source: National Center for Education Statistics data). Gallagher, TABOR, Amendment 23 and the Negative Factor noted on the chart. Chart provided by Great Education Colorado.