My wife's an infant teacher (5-6yo), and I'm a governor of my son's school (they take 4-11yo). There are about 200 students in each. And there is at least one s

My wife's an infant teacher (5-6yo), and I'm a governor of my son's school (they take 4-11yo). There are about 200 students in each. And there is at least one severe nut allergy in each (i.e. epi pen level), and in both my wife's class and my son's class there is one more minor nut allergy (rash level).