Parents in the North and North-West are likely to know by Wednesday if the state schools their children attend will be open next Tuesday.
Public school teachers and other unionised staff will hold a two-hour stop-work meeting next Tuesday morning which will mean they will not be able to start the school day until 10.30am.
There will be stop-work meetings in the South on Wednesday.
State school principals were given a Friday afternoon deadline to inform the Education Department if they had the capacity to cater for student safety and wellbeing but this was extended to Monday afternoon.
The last time Australian Education Union members held a morning stop-work meeting of this nature was in 2014 in protest against teacher cuts.
Education Minister Jeremy Rockliff declared a student-free day in response which left parents rushing to make childcare arrangements on three days’ notice.
It has been speculated the same scenario might play out again albeit with one week of notice.
The government last week came to the negotiating table with a pledge to recruit 95 additional specialist teachers, on top of an election commitment to employ 250 more teachers over six years, to ease workloads.
This was rejected by the AEU.
The government has refused to budge in pay negotiations with any arm of the public sector on its two-per-cent pay increase cap for agreements for the next three years.
Teachers want to see at least a three-per-cent pay rise in the first year.
Treasurer Peter Gutwein has said a three-per-cent pay rise across the entire public sector would cost the budget $28 million in the first year of a new agreement.