The electricity bill in Queensland's state schools has soared by $10 million in two years to $67.6 million.

Just two years ago, the power bill in Queensland's more than 1200 schools was $58 million.

The electricity bill in Queensland state schools was $67.6 million in 2016-17. Credit:Reuters/ Tim Wimborne

LNP leader Deb Frecklington said Queensland parents would prefer the extra $10 million was spent on children and helping teachers.

"With flat-lining NAPLAN results, we need to ensure that every dollar spent in education is about getting bang for buck for our kids," she said.