In order to assure student health and safety, animals are not allowed on school property, except in the case of a service animal accompanying a student or other individual with a documented disability. This rule may be temporarily waived by the building principals in the case of an educational opportunity for students, provided that (a) the animal is appropriately housed, humanely cared for, and properly handled, and (b) students will not be exposed to a dangerous animal or an unhealthy environment.