Parents will often appeal for places at preferred schools, rather than accept an offer of a place at a school for which they have not expressed a preference.
Yn aml, bydd rhieni yn apelio am leoedd mewn ysgolion a ffefrir, yn hytrach na derbyn cynnig o le mewn ysgol nad ydynt wedi’i nodi’n ysgol a ffefrir.