It is the figuring out, the guessing about it, the inferring, the interpreting that makes the act of reading so interesting. The text is never the whole story. This is where we practice all of the reading comprehension strategies. This could also be where we introduce certain literary elements, not for their own sake, but for the purpose of figuring out the text or admiration of the craft. Now, there is just one more thing I need to mention.
Students are better readers of poetry when they become writers of poetry, and vice versa.
So, the teaching of poetry has to involve both to be successful. Occasionally, you can do poetic forms, but the best starting place is free verse. When using models the idea is not to imitate, but to pick up an idea from the model that you can take off from, that lets you do your own thing. Something in the model propels you to take your own path. So, here is just one example of how I would use models as a springboard to writing poetry.