Dechreuwyd ymgyrch i gadw'r drysau a'r ffenestri ar gau pan fydd y gwres ymlaen

Iau 3ydd Ebr 2025

When the school heating is on doors and windows are kept closed as much as possible to reduce waste 
pupils from each classroom help with closing doors when last one in
Disgyblion sy'n cymryd rhan yn y gweithgaredd hwn: 7