Immersion Research Can A English Speaking Child Immigrate To Japan And Learn Japanese For Free In A Public School?

Can a english speaking child immigrate to japan and learn japanese for free in a public school? - immersion research

This question is for the research I do. I want to know whether a child can go to public school English and Japanese to learn for free as part of her / her studies? Or is it to learn the practice of total immersion in the appropriate involvement of parents and children, Japanese, so that they can make a productive part of society.