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Cardiac arrest in a school is rare and is the scenario every school should have rehearsed, because survival depends almost entirely on how fast compressions start and a defibrillator arrives. It can involve a pupil, a member of staff or a visitor, and it can happen in a sports hall, a corridor or a classroom, places with very different distances to the nearest equipment.
The practical question for most schools is defibrillator access. One unit in a locked office is functionally unavailable during a lunchtime incident in the sports hall. Walking the route from the furthest point of the site to the nearest AED, and timing it, tells a school more about its readiness than any policy document. Sites with sports facilities away from the main building often need a second unit rather than a longer run.
Train broadly, because the person present will frequently not be a designated first aider. Every adult who supervises pupils benefits from knowing how to recognize cardiac arrest, start compressions, send a specific named person for the defibrillator, and keep the rest of the class managed while it happens. Those four things are learnable in a short session and are what determines the outcome.
Updated for 2026. Reviewed in 2026. The detail below is the current standard, and is worth reading alongside the article above.
On timings: the CPR/AED course runs 275 minutes (4 hours 35 minutes) in the classroom, including a 10 minute skills examination and a 20 minute written examination.
Course content follows the current ILCOR consensus on science and the American Heart Association guidelines for CPR and emergency cardiovascular care. American Aquatics and Safety Training is not affiliated with, and does not certify on behalf of, the American Heart Association or the American Red Cross.
Reviewed by Jackie Stern, Lifeguard Instructor, Firefighter and EMT. Jackie Stern has taught lifeguarding for more than 20 years and works as a firefighter, EMT and swim instructor. She reviews course content, prerequisites and rescue standards against current certification requirements.