Pupils entitled to free school meals have been less likely to attend school, with the gap being an average of 10.4 percentage points between 18 to 22 July 2022.
Mae disgyblion sydd â hawl i brydau ysgol am ddim wedi bod yn llai tebygol o fynychu’r ysgol, gyda’r bwlch ar gyfartaledd yn 10.4 pwynt canran rhwng 18 i 22 Gorffennaf 2022.