[footnote 1] Note that teacher assessment data was not collected during 2020/21 therefore the data is based on provisional Pupil-Level Annual School Census data for 2020/21.
[troednodyn 1] Noder na chasglwyd data asesiadau athrawon yn ystod 2020/21 felly mae’r data yn seiliedig ar ddata dros dro Cyfrifiad Ysgolion Blynyddol ar Lefel Disgyblion ar gyfer 2020/21.