Using the 10% threshold, the percentage of Secondary school-aged pupils that were persistently absent has more than doubled to 40.1% between 2018/19 and 2022/23
Gan ddefnyddio'r trothwy 10%, mae canran y disgyblion oed ysgol uwchradd a oedd yn absennol yn gyson wedi mwy na dyblu i 40.1% rhwng 2018/19 a 2022/23