In Chicago Sunday night, negotiations between the teachers union and school officials broke down. On Monday morning, 350,000 school children stayed home as their teachers walked picket lines.
It's not just a local Chicago story. The president is from Chicago, as is the nation's top education official - Arne Duncan. And Mayor Rahm Emmanuel was White House Chief of Staff.
Education reporter Linda Lutton from WBEZ in Chicago joins us with the latest.