Persistent absenteeism and overall absence was more common among pupils entitled to free school meals and pupils with special educational needs.
I'r rhai sy'n derbyn prydau ysgol am ddim, mae cau ysgolion a lleoliadau wedi golygu eu bod wedi bod gartref yn amlach ac wedi bod yn agored i straen posibl o ganlyniad i'r argyfwng.