id author title date pages extension mime words sentence flesch summary cache txt WOS-000325904000006 Kauffman, P UNIONIZED CHARTER SCHOOL CONTRACTS AS A MODEL FOR REFORM OF PUBLIC SCHOOL JOB SECURITY 2013 .txt text/plain 206 7 33 Teachers unions have contributed to this effort by increasing professionalism in teaching and giving teachers a role in school management, but they have also detracted from it by making it too difficult to terminate incompetent teachers. This may create the right balance between allowing principals to terminate incompetent teachers and protecting teachers from arbitrary or malicious terminations. cache/WOS-000325904000006.txt txt/WOS-000325904000006.txt