A shared understanding of progression within a school helps ensure a coherent curriculum across the school (including assessment arrangements to support progression for all learners).
Mae dealltwriaeth gyffredin o gynnydd mewn ysgol yn helpu i sicrhau cwricwlwm cydlynol ym mhob rhan o'r ysgol (gan gynnwys trefniadau asesu i gefnogi cynnydd pob dysgwr).