Reading, Mathematics, and Science Achievement of Language-Minority Students in Grade 8
http://nces.ed.gov/pubs2012/2012028.pdf
Tracks the educational progress in reading, math and science of a representative sample of language-minority students over an 8 year period during which language-minority student numbers grew by 2 million. Student results are grouped by language proficiency, income, race/ethnicity, and mother’s education. From the National Center for Education Statistics