Faint o ddisgyblion mewn dosbarthiadau babanod yng Nghymru sydd mewn dosbarth o fwy na 25?
Wedi'i ateb gan Y Gweinidog Addysg | Wedi'i ateb ar 25/03/2021
Class sizes data is published here: https://statswales.gov.wales/Catalogue/Education-and-Skills/Schools-and-Teachers/Schools-Census/Pupil-Level-Annual-School-Census/Classes
Detailed analysis can also be read here: https://gov.wales/sites/default/files/publications/2020-01/reducing-infant-class-sizes-progress-report-2017-to-2019.pdf