>But if a child grows up speaking that second language — Korean, say — with cousins and grandparents, attending a “Saturday School” that emphasizes the language and the culture, listening to music and even reading books in that language, and visits Korea along the way, that child will end up with a much stronger sense of the language. Did this from Kindergarten through 10th grade. "Saturday School" was a full program…
They both have less vocabulary but the oldest can read both Danish and English. We never taught him to read danish but believe that spending time in Denmark for that amount of time still exposes them to enough Danish to internalize some of the language constructs and general orientation of language.
It's been quite interesting to follow.