Read "They" as an English class and discuss issues of dominance over cultures and/ or suspense characteristics. It is a dystopian plot device that all students should read. It is much like "The Matrix" plot if you have not read it. Fun discussions and lively group activities for the classroom.
2-3 day Lesson
1 Lesson Plan sheet
1 PPT on Robert Heinlein
1 PPT on Symbolism and practice
1 Student Activity of questions on the story (story for free on the internet)
1 Gifted students additional upload of Chuck K's article for a compare and contrast paper