Murray Olds: Australia correspondent on the teacher shortage set to impact Australian students

There's growing concern from educational experts as more teachers are leaving Australian schools. Over in New South Wales, PE and science teachers have been called in to plug the gaps left behind by maths teachers. Australia correspondent Murray Olds says many educators feel like 'cannon fodder' amid poor pay and lack of respect from students and parents. LISTEN ABOVESee omnystudio.com/listener for privacy information.