The Education Minister's warned teachers belonging to the Association of Secondary Teachers in Ireland that their jobs are at risk after rejecting the Haddington Road Agreement.
Members of the union rejected the public sector pay deal and are to embark on industrial action next week.
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It means they won't co-operate with the new junior cert cycle and won't hold meetings outside school hours.
Ruairi Quinn says the teachers and their union need to "press the pause button"