The Hampden Park Public School in the Sydney suburb of Lakemba, Australia, has a student body almost entirely comprised of children from non-English speaking backgrounds. The school offers a wide variety of language programs in Arabic, Urdu, and Bengali, so children can learn their native languages as well as English. According to teacher Maysoon Alashhab, "some of the students say they will be smarter when they learn two languages." You can read more about this interesting school via the article linked below:
Community school teaches in multiple languages

