Australian Teacher Magazine | Children sent home from Ballarat primary school after vomiting illness ABC Online A classroom of Ballarat primary school students has been sent home after they complained of a chemical smell and feeling nauseous. Ambulance Victoria says about 12 students from St Francis Xavier Primary School started vomiting just after morning tea. wenty kids sick in vomiting mystery at Ballarat's St Francis Xavier Primary School Pupils sent home after falling ill at Ballarat school 12 children sick at Vic school |