It helps them to identify pupils who might need extra support to catch up lessons they have missed along with action to tackle poor attendance.
Mae'n eu helpu i nodi'r disgyblion y gall fod angen cymorth ychwanegol arnynt i ddal i fyny â gwersi y maent wedi'u colli ynghyd â chamau i fynd i'r afael â phresenoldeb gwael.