 The ASB St John in Schools programme visits schools to give children an understanding of how to recognise, and act appropriately in, a first aid emergency The topic range includes how to call an ambulance and basic first aid.The ASB St John in Schools programme visits schools in many parts of New Zealand to give children an understanding of how to recognise, and act appropriately in, a first aid emergency.The topic range includes how to call an ambulance, basic first aid skills and familiarisation with ambulances and the people and equipment children may interact with in a first aid emergency.