Hoffwn eich hysbysu y byddaf yn ysgrifennu at bob pennaeth yng Nghymru heddiw i roi mwy o eglurder am sut gall ysgolion a cholegau barhau i weithredu'n ddiogel pan fyddant yn dychwelyd ym mis Medi.
I would like to inform you that I am writing to all headteachers and principals in Wales today to provide more clarity on how schools and colleges can continue to operate safely when they return in September.