In 2010, Level ‘W’ (working towards Level 1) was removed and replaced by three new valid outcomes for Key Stage 2 and Key Stage 3 – National Curriculum Outcomes (NCO) 1, 2 and 3.
Yn 2010 cafodd lefel deilliant ‘W’ (gweithio tuag at lefel 1) ei dileu a’i disodli gan dri deilliant dilys newydd ar gyfer Cyfnodau Allweddol 2 a 3 – Deilliannau 1, 2 a 3 y Cwricwlwm Cenedlaethol.