More than 1000 Northland teachers and principals will strike for at least three hours and may be extended to a full day after the Government turned down their pay demands.
The strike by members of the New Zealand Educational Institute would take place throughout the country from 1.30pm to 4.30pm on August 15.
The decision followed meetings around the country where primary school teachers voted on whether they should accept the pay offer or strike.
Read more: Meetings of primary school principals and teachers on pay dispute, industrial action
About 1200 Northland nurses likely to strike for two days in July
The Ministry of Education had offered to increase pay, in the majority of cases, by between 2.2 and 2.6 per cent a year for three years. That offer was a far cry from the 16 per cent increase teachers felt was needed over the same time to retain and recruit staff.