"We lost seats and therefore there must be lessons to be learned, and delegates from various parts of Wales and constituencies will bring forward those lessons, " he said, referring to Saturday's meeting.

BBC: Plaid delegates hear 'time to broaden party appeal'

It has published a survey of its members which found six out of ten of those who replied said unqualified staff were being used in their schools and that most said unqualified staff were teaching lessons.

BBC: Warning of rise of 'unqualified teachers' in classrooms