An average of 4.5% of half-day school sessions were recorded as unauthorised absence for pupils aged 5 to 15 over the latest week, up from 3.5% the week before.
Roedd cyfartaledd o 4.5% o sesiynau hanner diwrnod wedi’u cofnodi fel absenoldeb heb awdurdod ar gyfer disgyblion 5 i 15 oed yn ystod yr wythnos ddiweddaraf, i fyny o 3.5% yr wythnos cynt.