The duty of care schools owe extends beyond simply supervising children during ordinary activities to include reasonable preparation for foreseeable emergencies. While schools cannot predict every possible medical event, cardiac emergencies, severe allergic reactions, and other life-threatening conditions are sufficiently foreseeable across a large student population that reasonable preparedness, including staff trained in basic emergency response and access to essential life-saving equipment such as automated external defibrillators, is increasingly recognized as part of a school's basic duty of care. When a district's own leadership later acknowledges that it should have had trained staff and appropriate equipment but did not, that admission is direct evidence that the district's own understanding of its duty exceeded what it actually provided.