The whole school approach is a strategy for children’s nutrition that combines healthy-eating education in the classroom with the actual provision of nutritious meals, snacks, and drinks at school — so the message and the menu reinforce each other. Children learn about balanced diets and then eat one at lunch; cooking and growing activities back the lessons; vending machines and tuck shops stop undermining them. Evidence shows education alone changes little if the food environment contradicts it, which is why the approach insists on consistency across curriculum, catering, and culture. It extends to staff modelling and parent engagement. Schools adopting it treat food as part of education, not a break from it.