Felly, yn yr un ffordd ag yr ydw i’n ymweld ag ysgolion ledled y wlad bob wythnos, yn gynharach y mis hwn fe wnes i annerch cynhadledd o 200 o’n penaethiaid uwchradd – tua 95% o’r holl benaethiaid uwchradd yng Nghymru.
So, just as I visit schools right across the country every week, earlier this month I addressed a conference of 200 of our secondary head teachers – over 95% of all secondary heads in Wales.