After handling their pet, they must be aware that they cannot touch the eyes, mouth, nose or ears until they have washed. If you have explored owning a herp, and you don't think that you can live with a herp around the house, perhaps you should explore alternatives to ownership. With classroom cut-backs, teachers are often thrilled at the prospect of having donations. Of course, make sure that the pet is welcome and that provisions will be made to care for it during weekends and vacations. Owning a herp can be a fun experience for the whole family.
Supervision is the key for a child fascinated by reptiles.
You never know, you could end up with a child who develops a lifelong interest in reptiles, and could even make a living from that interest.