Staged UFO landing and crash scenarios have been conducted at several schools in the UK, which I've written about for UFO Digest. The reasons given for these events include things like facilitating creativity and critical thinking skills. But beyond this benign and well meaning educational intent, are some insidious elements. Often some staff, parents, and students are not told there events will take place;they just happen. In the past, these staged UFO crashes happened to a diverse student body, including students with behavioral or physical disability challenges, which caused trauma for the students. Parents were not informed. And,the police have a very active role in these scenarios. The favorite motif seems to be the UFO but other scenes have been used, like the "murder"(yes, murder) of a teacher on a playground -- once again, students, staff and parents not notified or prepared -- and in Scotland, a teacher telling several students to quickly get ready to leave the building, because the authorities were arriving soon to take them away to a government facility. The reason why the students were being taken away was, they were told, because they'd been found to be deficit in some ways.
The UK is still at it, with a recent UFO crash production at another school; you can read more of my comments on these surreal events at UFO Digest.