"Never have we seen such rapid expansion of labor in education," said Marguerite Roza, director of Georgetown University's Edunomics Lab. This surge in staffing coincides with a steady decline in student enrollment in many states. Here's how that will impact districts in the coming years.

The notice stated the district's liability coverage would expire June 30, if the school district maintained a policy allowing anonymous school employees to carry district issued guns.

Superintendent Kurt Browning, the longtime leader of Florida's Pasco County Schools, calls himself a "champion of choice," having launched several magnet programs and expanded advanced curriculum offerings.

Martha Jessenia Gutierrez-Serrano and her mother were arrested after she allegedly posed as a 17-year-old student to attend a Louisiana high school throughout this school year, authorities said.