Grading Oklahoma: This state ranks 3rd in prison incarceration rates in the US

Grading Oklahoma is a weekly look at how we stack up on a national scale. Each week, The Oklahoman features a different subject area to illustrate and examine on a closer level. 

This week we take a look at incarceration in this state. 

More: How does Oklahoma stack up? Here's where our state ranks on education, child welfare & more