'Ability to speak Welsh' and 'speaking Welsh at home', as assessed by parents, of pupils aged 11 to 15 in middle schools by school, 2019/20 to 2023/24, file type: ODS, file size: 18 KB
Y gallu i siarad Cymraeg' & 'siarad Cymraeg gartref', asesiad rhieni, gan ddisgyblion 11 i 15 oed mewn ysgolion canol yn ôl ysgol, 2019/20 i 2023/24, math o ffeil: ODS, maint ffeil: 15 KB