Los Angeles Mayor Eric Garcetti made it very clear: He didn’t close the schools. Neither did the police chief, nor the county sheriff. That decision was made by LA Unified Superintendent Ramon Cortines, who was supposed to be on his way to retirement this week. “I made the decision to close the schools,” Cortines said...

An email that threatened violence with “explosive devices, assault rifles and machine pistols” provided LA Unified officials today with the rationale for closing all schools across the district. Those details and others, which began emerging today, convinced city and school officials that closing schools was the more prudent action, especially in the aftermath of the...

UPDATED All LAUSD schools were closed today due to a “serious threat” called into the district. The threat was not aimed at any specific school, but was judged credible enough for school officials to close all the campuses, which serve 643,000 students in 900 traditional and 200 charter schools. “This is a rare threat, we get...