Pupils in Years 1 to 11 with additional learning needs or special educational needs, by school language medium and study of Welsh, January 2023
Disgyblion Blynyddoedd 1 i 11 ag anghenion dysgu ychwanegol neu anghenion addysgol arbennig, yn ôl cyfrwng iaith yr ysgol ac a chyfrwng astudio'r Gymraeg, Ionawr 2023