Schoolyard scrap over funding promise in NSW election

NSW Education Minister Sarah Mitchell says the government will address funding for public schools. (Bianca De Marchi/AAP PHOTOS) (AAP)

Labor has vastly underestimated how much it will cost to address historic underfunding for the 800,000 NSW public school students, the state government says.

The opposition has promised to boost public school funding to 95 per cent of a key benchmark by 2025, two years earlier than planned.