Choropleth showing voter turnout in Chattanooga's 2017 city election

Scatterplot of school discretionary funds to accompany TFP op-ed.

Comparison of school spending to the district average of $7,400 per student.

Chart divides spending and standardized test score data into four quadrants.

Per-student spending from 2005 to 2015.

Map ranking states by per-student expenditure.

Changes in average per-student expenditure between 2008 and 2016.

Comparison of a school's aggregate teacher experience and student improvement on standardized testing.

Comparing school personnel salaries from 2008 to 2016.

Normalized bar chart looks at eight largest school systems in Tennessee.