Cliciwch ar y ddolen isod i weld dyddiadau'r tymor ac adegau gwyliau ysgol.

Click on the link below to access term dates and holidays:

Academic Year: 2025-2026

Dyddiau HMS 2025-26 INSET Days

01/09/25

02/09/25

05/01/26

19/06/26

20/07/26

TBC

Good Friday

03/04/26

May Day

04/05/26