Cyhoeddodd yr Ysgrifennydd Addysg, Kirsty Williams heddiw fod rheolau newydd i gael eu cyflwyno, sy'n cynnwys rhagdybiaeth na chaiff ysgolion gwledig eu cau yng Nghymru.
New rules setting out a presumption against the closure of rural schools in Wales are to be introduced, Education Secretary Kirsty Williams will announce today.