The National Union of Teachers (NUT) is expected to debate no confidence votes on Education Secretary Michael Gove and Sir Michael Wilshaw, the head of Ofsted.
The NUT and the NASUWT are holding their annual conferences this weekend.
The NUT has said that parents do not support the government’s education reforms, while NASUWT has attacked the school inspection system.
The Department for Education has issued a strong response, saying there is “high level of parental support for our reforms”.
More top news
Joseph Thoresen beheaded a man his girlfriend said had sexually assaulted her with a machete and threw his head into the woods, reports say.
The dad of Luke Jenkins, who died at Bristol Royal Hospital's children's cardiac unit labelled an NHS England review a 'tick-box exercise'.
Conservative heavyweights Boris Johnson and Theresa May are to launch their leadership bids on Thursday.