School staff in four Scottish council areas are going on strike after the Unison union rejected a pay deal.
The walkout is scheduled for Wednesday, November 1.
While other unions accepted the deal, Unison will walk out as part of a “rolling programme of action.”
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Unison represents school staff in Glasgow, Renfrewshire, East Renfrewshire, and Inverclyde.
Nearly 90 percent of those who voted in the Unison ballot backed the rejection of the recent pay offer.
However, Unite and the GMB approved it.
Johanna Baxter, the head of local government at the union, said: “The strength of feeling amongst Unison school staff, who voted overwhelmingly to reject Cosla’s latest pay offer, is clear for all to see.
“Both in terms of ballot votes and the number of people on picket lines across Scotland.
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“We’ve also seen a surge in Unison membership.
“That’s a testament to the strength of local government workers’ resolve to continue their fight for fair pay.
“The union is committed to resolving this dispute as soon as possible.
“Cosla and the Scottish Government are urged to get back round the negotiating table to explore every avenue to reach a settlement and avoid further disruption for parents and students.”
Mark Ferguson, the chair of Unison Scotland, said: “No one takes the decision to strike lightly.
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“I’m a parent myself, so I understand the disruption strikes cause.
“But if wages don’t rise, school staff will leave for other jobs beyond education that pay significantly more.
“That would be a disaster and would help no one.
“The current offer amounts to a real-terms pay cut and adds further stress to a dedicated workforce already suffering from the cost-of-living crisis.”