**I read your Edit:
My kids play with kids every single day, that are of different ethnicities. And their own friends too, who are of all cultures/ethnicities.
We don't force it. This is Hawaii, where things are just so mixed and diverse you can't escape it.
But there are a few country clubs here... where the majority of its members, can tend to be of one certain "race." For example.
One kid, in my daughter's Preschool however, told her that "You can't play with us because you don't have blonde hair..."
Oh well. But that girl who told my daughter that, is in her grade level now... and she has an assortment of friends. That was then. This is now, how she is.
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Gosh... Hawaii is so so so diverse in ethnicity and socioeconomic groups as well. It is not a focus or a big deal.
We have in Hawaii, such a multitude of different ethnicities from so many parts of the world.
So kids grow up, amongst that. And the adults too. And we all interact.
So it is commonplace here. Ordinary. Normal.
It is very important... that children see the diversity and live among it.
We never focus on "race" here or with my kids. It is just people. We are all just people, of different cultures.
Some people, don't even like Hawaii... because it is, as one woman told me "There are too many minorities here.... whites are not the majority."
And it made her uncomfortable... even if Hawaii is her home and she CHOSE to live here, having moved here from the Mainland. She only liked the "ideal" of Hawaii... not the actual living in it, amongst its people.
Exposing a child to various CULTURES from around the world, is important. It is educational.
In my kids' classrooms, the kids are from so many different socioeconimic levels and cultures: Japanese, Hawaiian, Korean, Chinese, Indian, French, Caucasian mixes, African American, Malaysian, Thai, Vietnamese, Irish, Hapa (this is the Hawaiian term for 'bi-racial'), Arab, Italian, Greek, (just to name a few), and MANY MANY of the kids here, are simply a mixture... of MANY different ethnicities.... because the people here intermarry and from across all the various races/ethnicities/cultures, here.
My own kids, are mixed, culturally and per ethnicity. Which is very very very very very very very, common here. In other places, my kids would be an oddity or a curiosity... because, in other places of the world, they are called "exotic" or the bi-racial-ness, is made out to be such a focus, or being called bi-racial, is only used per African Americans and Whites.
But it is not, here.
I am from Hawaii. My Husband is from Europe.
My In-Laws, who are from Europe, think my kids are like a novelty, because they are mixed, ethnically. In their country, the culture there is very homogeneous.
Anyway, YES, learning about the world and its MANY cultures and about its MANY people, is important.
Very important, and important in order to understand, the world... and by not being ethnocentric.
And oh my, my kids have friends that are rich or not.
We don't focus on socioeconomic levels or colors or ethnicity.
They are just people.
When my daughter went to Europe on a trip w/my Husband, she went to her cousin's school for a visit, to see their school system etc. Well, when she got there, a huge CROWD of kids, just circled around her... gaping and all bug-eyed, STARING at her... because, she was different looking... and from a "foreign" land. They all stared at her... and some kids even poked at her, as though she wasn't quite a normal human. Because, she did not look like them, and they had never seen anyone, like her... before. My daughter thought their reactions were all so very strange.
Another example being here in Hawaii:
My daughter, doesn't even know, what "Caucasian" is. Formally.
Meaning, White.
Meaning, she just knows what people may be or their foods, per their culture or ethnicity... not per "race."
Calling someone "White," to her, does not make sense.
And she is half Caucasian, herself.
Race and culture, are 2 different things, as well.
Not all "Caucasians" are the same, and not all "Asians" are the same, and not all "Africans" are the same, culturally or ethnically, for example.
It is all cultural.