By the Numbers

22 percent — Education spending increase recommended for Washington D.C., one of the highest-spending districts in the country, by the firm hired to perform a similar study in Michigan.

27 — Measurable academic results that showed no statistical relationship to spending increases in individual Michigan public schools, out of 28 tested.

11.3 percent — Increase in dollars spent per pupil on Michigan public schools from 2003 to 2013, adjusted for inflation.

51 — Michigan's rank among the 50 states and Washington, D.C. in progress on math and reading achievement from 2003 to 2015.