“Mae'n amlwg o adroddiadau blaenorol Estyn, PISA, ac ymchwil gan Ymddiriedolaeth Sutton a Choleg Prifysgol Llundain (UCL), bod rhaid i Gymru wneud mwy i ganfod, herio ac ymestyn ein disgyblion mwy abl.
“It is clear from PISA, previous Estyn reports, Sutton Trust and UCL research that Wales must do more to identify, support and stretch our more able learners.