The threat of school closures does not guarantee teachers their jobs, frustrating school leaders when negotiating with unions because teaching positions may only exist temporarily. (debsedstudies.org)
It's the union (and the employers negotiating with the union) that require this. (politics.stackexchange.com)
Those decisions will really begin to matter in 2014, as districts will begin this fall to negotiate with their unions over new pay systems. (hechingerreport.org)