Work / New Job at Warsaw International School as an English teacher - Advice? What should I expect? [26]

Hey guys, I'll be starting a new job at an international school in Warsaw. I'm an English teacher. What should I expect? I'm from the US, working class background, I speak pretty fluent Polish, but the students can't know I speak it.

I have been living in Poland for a year, mainly in Warsaw, and I am slowly figuring out the culture. I realize they are much more classy and reserved than what I am used to, and I have adapted a lot, but I don't want to mess up this job opportunity. If anyone can help me out by giving tips, advice, etc. please do so.

Last year I taught English and Spanish in a corporation and all my students except 2 (out of 20 in 5 different classes,) loved me. However, this year I will be teaching kids.

Thanks everyone!