I don't know the whole story, but you emphasised the fact that you're homeschooling your children, therefore it is likely to attract some comments from forum users.
I don't know what you mean schools were "not up to your standards". What's wrong with "regular" schools? I generally dislike this attitude "I only send my children to the best schools". I think it's snobbish and divides society. Apart from that, children miss the best part of their childhood if they are at home all the time. It's important that they learn to deal with other children, for character building and also that they have some friends in school. In this case, it's not important if the friends are immigrants or are from lower levels in the society. But that's just my opinion and, as I said before, I don't know the whole story. But homeschooling is not be best solution, I believe.