This not only causes turbulence of not being offered a place at their preferred school, but also the inconvenience of then having to decide whether to change schools in September.
Nid yn unig mae peidio â chael cynnig lle yn yr ysgol a ffefrir yn creu cythrwfl, ond hefyd yr anghyfleustra o orfod penderfynu wedyn ym mis Medi a ydynt am newid ysgol.