Only maintained school settings (including nursery, primary, middle, secondary and special schools, and pupil referral units (PRUs) in Wales are required to submit a SWAC return.
Dim ond lleoliadau ysgol a gynhelir (gan gynnwys meithrinfeydd, ysgolion cynradd, canol, uwchradd ac arbennig, ac unedau cyfeirio disgyblion yng Nghymru sy'n gorfod cyflwyno datganiad CBGY.