the cancellation of the summer exam series and the calculation of grades for learners due to take GCSEs, AS levels, A Levels and the Skills Challenge Certificate
canslo cyfres arholiadau'r haf a chyfrifo graddau ar gyfer dysgwyr a oedd ar fin sefyll arholiadau TGAU, Safon UG, Safon Uwch a'r Dystysgrif Her Sgiliau