There are 7.3 million teachers in America -- among them are countless substitute teachers who haven't always been portrayed in the best light, but what subs do in their day-to-day work life is a lot more than most of us realize.
There are more than five million teachers in this country, but layoffs have forced many to rethink their careers. Michael Kane recently married another out-of-work teacher; they're living with his parents in Ohio.
The seven days that schools were closed in Chicago felt more like an eternity to parents who had to find childcare during the teacher strike. Kai checks in with Sheila Coleman, whose 12-year-old daughter was actually happy to return to school Wednesday.
It's back to school today in Chicago. In the next couple of weeks, teachers will vote on the tentative contract deal reached between the union, and negotiators for the school district and Mayor Rahm Emmanuel.