English: School Effectiveness Framework: Building effective learning communities together
Welsh: Fframwaith Effeithiolrwydd Ysgolion: Creu cymunedau dysgu effeithiol gyda'n gilydd
Subject: Addysg
English definition: Published by the Welsh Assembly Government, 2008.
Welsh definition: Cyhoeddwyd gan Lywodraeth Cynulliad Cymru, 2008.