English: School Effectiveness Framework Pilots: An Interim Evaluation
Welsh: Cynlluniau Peilot y Cynllun Effeithiolrwydd Ysgolion: Gwerthusiad Dros Dro
Subject: Addysg
English context: Published by the Welsh Assembly Government, June 2009.
Welsh context: Cyhoeddwyd gan Lywodraeth Cynulliad Cymru, Mehefin 2009.