Bydd 54 ystafell ddosbarth ychwanegol yn cael eu hadeiladu mewn ysgolion ledled Cymru fel rhan o gronfa £36 miliwn i leihau maint dosbarthiadau babanod.
An additional 54 classrooms are to be built in schools throughout Wales as part of a £36 million fund to reduce infant class sizes, Education Minister Kirsty Williams has announced.