Pupils and school openings and closures by religious denomination, September 2012 to August 2021, file type: ODS, file size: 9 KB
Disgyblion ac agoriadau a chau ysgolion yn ôl enwad crefyddol a chyfnod, Medi 2012 i Awst 2021, Saesneg yn unig, math o ffeil: ODS, maint ffeil: 11 KB