Classes are delivered by a team of around 50 volunteer teachers and teaching assistants, some with a professional background in education and others without.
Cyflwynir y dosbarthiadau gan dîm o tua 50 o athrawon gwirfoddol a chynorthwywyr addysgu, rhai ohonynt â chefndir proffesiynol mewn addysg ac eraill heb gefndir proffesiynol.