With Welsh immersion being a proven way to develop bilingual learners, enabling it to continue is regarded as beneficial for the Welsh language whilst having no effect on the English language.
Gan fod trochi Cymraeg wedi hen brofi’i werth fel ffordd o ddatblygu dysgwyr dwyieithog, ystyrir bod ei alluogi i barhau yn fuddiol i'r Gymraeg, a hynny heb gael unrhyw effaith ar y Saesneg.