This segment is guest-hosted by Brigid Bergin. 

Education activist José Luis Vilson shares his perspective on the start of the school year and how to address the challenges that face New York City public schools. A middle school math teacher who recently left the public school system after 15 years, he's also an author and parent.

Plus, we'll take listener calls on what you're struggling with as we hit the halfway mark of the first week of school.