I went to school in a multicultural international expat school in Hong Kong.
Everyone at that school was more than comfortably off.
It wasn't as bad as some schools, but racist taunting, and sometimes bullying of Jews, Indians, Chinese, Irish etc etc (there were 37 nationalities) was pretty commonplace in the playground.
We had One Chinese teacher who got zero respect ... guess why ...
I'm a grown up now and able to make conscious judgements and I am able to be honest about my school days.