Kirsty Williams CBE, Chair of the National Coherence Group (NCG), wrote to me in December with their reflections on the proposed model for school improvement.
Ysgrifennodd Kirsty Williams CBE, Cadeirydd y Grŵp Cydlynu Cenedlaethol, ataf ym mis Rhagfyr gan nodi eu sylwadau ar y model arfaethedig ar gyfer gwella ysgolion.