• 24/2/25 - 28/2/25 Hanner Tymor/ Half Term 
•  
• Extra days at the home schools for all - Tuesday, Wednesday, Thursday, 4th, 5th, 6th March 2025
• Diwrnodau Ychwanegol yn yr ysgol gofrestredig i bawb - Dydd Mawrth, Mercher, Iau - 4ydd, 5ed, 6ed o Fawrth 2025

• Diwrnod Cyntaf Tymor yr Haf 2025 / First Day of Summer Term 2025

Uned Drochi Iaith Cynradd/ Primary 29/4/25  (Llun 28ain HMS/ yn yr ysgolion cofrestredig / Monday 28th INSET/ at registered schools if open)

Uned Drochi Iaith Uwchradd/ Secondary 29/4/25 (Llun 28ain HMS/ yn yr ysgolion cofrestredig / Monday 28th INSET/ at registered schools if open)

• Diwrnod Cyntaf Tymor y Gwanwyn 2025 / First Day of Spring Term 2025

Uned Drochi Iaith Cynradd/Primary 7/1/25  (Llun 6ed yn yr ysgolion cofrestredig / Monday 6th at registered schools if open)

Uned Drochi Iaith Uwchradd/Secondary 7/1/25 (Llun 6ed yn yr ysgolion cofrestredig / Monday 6th at registered schools if open)

• Diwrnod Olaf Tymor yr Hydref 2024 / Last Day of Autumn Term 2024

Uned Drochi Iaith Cynradd/Primary 18/12/24 (19th & 20th at registered schools)

Uned Drochi Iaith Uwchradd/Secondary 19/12/24 ( 20th at registered schools)

• 14/11/24 Pawb i fynychu yr ysgol gofrestredig / All to attend registered schools