Keep Colorado Journalism, Local. Contribute to PULP.
Highland Arts Elementary School kindergarten teacher Melissa Perez participates in a final walk-in Wednesday, April 25, 2018, in Mesa, Ariz. Communities and school districts are preparing for a historic statewide teacher walkout on Thursday that could keep hundreds of thousands of students out of school indefinitely. (AP Photo/Matt York)

Explained: Why Colorado, Arizona teachers are walking off the job

Zeen Social Icons