After you read the short story, you might want your students to read this script. Students love reading scripts as it is very student-centered and gets them involved. I think they retain more when they are part of this kind of a reading.
This script is arranged into eight parts, four characters and four narrators, so if you have, let's say, a class of 24, you could have three groups reading it aloud simultaneously, two in the class and one in the hallway. The script itself will take less tha