Core Subjects:
* Cymraeg (Welsh)
* Saesneg (English)
* Mathemateg (Mathematics)
* Gwyddoniaeth (Science)
* Hanes (History)
* Daearyddiaeth (Geography)
* Celf a Chrefft (Art and Craft)
* Cerddoriaeth (Music)
* Addysg Gorfforol (Physical Education)
* Technoleg (Technology)
* Addysg Grefyddol (Religious Education)
Other Subjects:
* Llyfrgell (Library)
* Gwyddorau Cymdeithasol (Social Sciences)
* Ffiseg (Physics)
* Cemeg (Chemistry)
* Bioleg (Biology)
* Economeg (Economics)
* Llywodraeth (Government)
* Chwaraeon (Sports)
* Drama (Drama)
* Iaith Dramor (Foreign Language) - This could include French, Spanish, German, etc.
Note:
* The specific subjects offered will vary depending on the age of the students and the school.
* Some schools may offer specialized subjects, such as Welsh Baccalaureate, vocational qualifications, or subjects relevant to their local community.
This is not an exhaustive list, but it provides a good overview of common school subjects in Welsh.