"Do Not Teach Kafka's 'In the Penal Colony'"
https://www.jstor.org/stable/25111259
Peter Neumeyer advances an argument for why you shouldn't do what you're probably about to do: teach this story in English to adolescents. It is useful to be aware upfront with the philosophical and translational issues to which he points. The text is available to read for free online.
"In the Penal Colony" Film Adaptation
https://www.youtube.com/watch?v=StwAGxbPxlU
A short film (~15 min) adaptation of the story by A World Elsewhere Entertainment. You may wish to use this as a reference in the Day 1 classroom activity, "The Unimaginable Machine."