A dozen schools and five entire school districts across Colorado have failing grades for their performance, and now the state is stepping into force big changes. The schools and districts range from Aurora on the Front Range to the tiny Montezuma-Cortez in Southern Colorado. How did these schools get in so much trouble? What options does the state have? What’s the timeline for action? Reporter Nic Garcia of the education news site Chalkbeat Colorado answers those questions and more with Colorado Matters host Nathan Heffel.