NOT a drill (Score 5, Informative)

Here's a statement from the school administrators from the elementary school's homepage:

http://cityschools.net/schoolsites/se/index.html

While I agree that the administrators on the field trip might have been a bit boneheaded in pulling this particular prank in light of recent events, it doesn't sound like this was any kind of "drill" at all. They also seem to have done some kind of follow-up with the students' parents after the trip.