At the end of the 2007-2008 school year, 21 schools in the DCPS closed for good. During the summer, the city put up a request for proposals for ways to reuse the buildings, and via the Bloomingdale blog, it looks like some of our local arts supporters grabbed on to the opportunity. The newly formed FLUX is a collaboration between the Washington Project for the Arts, Molly and Paul Ruppert of Warehouse, and Artomatic. The…