Bilingual (2B) At least 80% of subjects (excluding English and Welsh) are taught through the medium of Welsh but are also taught through the medium of English.
Dwyieithog (2B) Addysgir o leiaf 80% o bynciau (ac eithrio’r Gymraeg a'r Saesneg) drwy gyfrwng y Gymraeg ond fe’u haddysgir drwy gyfrwng y Saesneg hefyd