The Ministry of Education is being slammed for "corrupt" use of taxpayers' money for a video trying to persuade primary teachers to accept the ministry's latest pay offer.
Secondary teachers have voted overwhelmingly to reject the Government's latest pay offer and to take strike action.
Secondary teachers will today announce whether they will accept the Government's latest pay offer or take further strike action.
Primary and secondary education unions will join forces in their campaign for better pay and conditions for teachers if their wishes are not met.
Some teachers are upset that the Ministry of Education won't pay for their professional registration to be renewed while there are industrial negotiations underway and no settlement.
Up to a third of students at some schools are getting someone else to read and write their exams for them - but students needing help at many poorer schools are missing out.
More than 3000 students have been hit by a computer glitch which left many "stressed out" in their first big external exam.
Education Minister Chris Hipkins has accused primary teachers of increasing their demands every time the Government makes a concession.
Primary teachers' leaders are urging members to keep fighting into next year so they can be joined by secondary teachers.