Heeheeheee... welcome to hell.
But it can be a meaningful experience, as far as your interaction
with the students go.
Whether you'll be happy in here and choose to stay, really is
impossible to say. It's a unique experience for every teacher,
based on many, many factors. In a way, the job satisfaction aspect
of this career is subject to more complex factors (particularly
human ones) than most other careers.
Keep us updated while you're inside. And take care. I mean it.