Dengys tystiolaeth ymchwil ac arolygu mai’r un dylanwad pwysicaf ar lwyddiant dysgwyr yn y system addysg yw ansawdd y dysgu a’r addysgu. Felly, mae’n bwysig sicrhau bod athrawon yn cael cefnogaeth i ystyried sut y mae’r cwricwlwm a gwaith diwygio arall ym myd addysg yn mynd i effeithio ar ddeilliannau dysgwyr
Research and inspection evidence reveals the single most important influence on learner success within the education system is the quality of teaching and learning. It is therefore important to ensure that teachers are supported to consider how the curriculum and other education reforms will impact on learner outcomes.