id author title date pages extension mime words sentence flesch summary cache txt WOS-000292839400004 Abdulkadiroglu, A ACCOUNTABILITY AND FLEXIBILITY IN PUBLIC SCHOOLS: EVIDENCE FROM BOSTON'S CHARTERS AND PILOTS 2011 .txt text/plain 102 6 49 Pilot schools have some of the independence of charter schools but are in the Boston Public School district and are covered by some collective bargaining provisions. Charter schools with binding assignment lotteries appear to generate larger gains than other charters. cache/WOS-000292839400004.txt txt/WOS-000292839400004.txt