New law allows teachers and staff to carry guns in school buildings, but only with the approval of the district superintendent, school principal and a local law enforcement agency.

Lori Colbert, co-principal of the Barack Obama School of Leadership & STEM outside Chicago, says it's all about giving her fourth- and fifth-graders opportunities to practice future-focused leadership skills throughout the school day.

However, when adjusted for inflation, starting teacher salaries are more than $4,200 below the 2008-2009 levels.

If you have children or students who are asking lots of questions, shutting down or trying and just not making progress in math, these are all red flags that could signal dyscalculia.