The poem imagines a school as a flat-pack product that arrives with a warning: "some disassembly required." The speaker, addressing "you," walks through the process of taking it apart as if reading cold, official instructions. Memories must be sorted into "government-approved locations." Transcripts are stripped out like scrap copper and pipe to be shipped overseas. Even the bricks get passing grades so they can "advance / to the next life."
The humor is dry, and it turns bitter. Treating education and memory as salvage and cargo suggests that a school, once it is gone, is reduced to materials with a market value. The judging by imagery, the speaker seems wry and a little sad, maybe resigned to the loss. The last image is the sharpest: all that remains is a small bar-coded label on the bottom step, and it is called "your history." The mood is deadpan and quietly mournful, as if a lifetime of experience has been shrunk to a tag.