As school closures are increasingly used as a remedy to budget woes and a solution to failing schools in many cities, debates are intensifying about their effect on student performance and well-being, on district finances, and on communities and the processes districts use to choose which schools will be shuttered. Student and parent groups in…

A strike last week by some 29,000 teachers in Chicago pushed long-simmering tensions over deeply divisive school improvement ideas--including changes in teacher evaluation and the takeover or closure of underperforming schools--into the national spotlight. A framework for a tentative agreement emerged last Friday, and the union's house of…