I admire your thought process.

There is a lot to learn about learning, and about respect, and teen kids need to learn A LOT of that outside of their classrooms yet within sight and smell
of their peers.

Good on you for thinking seriously about this adventure. Let them know up front that it can be the best of times or the worst of times, and since you are one person ( the Captain) and they are x many, most of it will be up to them.