Isolated and rural schools are next in line for help with the fuel shock.

Education Minister Erica Stanford's announced they'll put $37 million dollars into speeding up diesel boiler replacements at up to 70 schools.

They'll also more than double mileage reimbursement for relief teachers temporarily and hike funding for about 5000 students' school commute, by 30 percent.

Newstalk ZB senior political correspondent Barry Soper says Luxon also seemed confident at the stand-up, despite growing concerns about his leadership.

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