These statistics complement other official statistics on absenteeism in secondary schools and the management information on attendance in maintained schools that is published regularly.
Mae’r ystadegau hyn yn ategu ystadegau swyddogol eraill ar absenoldeb mewn ysgolion uwchradd a’r wybodaeth reoli am bresenoldeb mewn ysgolion a gynhelir a gyhoeddir yn wythnosol.