Validation Once the data had been provided to Welsh Government, it was validated against a set of rules and schools were given a two week period to review and amend the data as necessary.
Dilysu data Unwaith y darparwyd y data i Lywodraeth Cymru, fe’i dilyswyd yn erbyn set o reolau a rhoddwyd cyfnod o bythefnos i ysgolion adolygu a diwygio’r data yn ôl yr angen.