12 months with B2 visa

[cattle]

Hi every one

I have three kids born in USA and they have a American passports, They are planning to go to USA for one year to study English, my wife and my self (not USA citizen) are going with them therefore, we will apply for B2 Visa. I know that we will get 6 months to stay in USA my question is how can i get a 12 month not just 6 months
Thanks

[immihelp]

You can't.

Someone who stays in the US continously for 1 year is not a visitor.