English-Speaking Ability of the Foreign-Born  Population in the United States: 2012 / American Community Survey Reports | Bilingually Enriched Learners | Scoop.it
"In general, the foreign born who entered the United States a long time ago speak English better than those who entered recently, and the foreign born who have a high school education or higher speak English better than those with less than a high school education. This pattern of English-speaking ability remains when time in the United States, world region of birth, and educational attainment are consid- ered together."