NYC charter schools (low ELL enrollment)

CITY CHARTERS DON'T TAKE ENOUGH ENGLISH LANGUAGE LEARNERS, STUDY SHOWS; April 25, 2011; WNYC News (NY) 

For years, education advocates have been complaining that charter schools aren't serving all children equally because they take a disproportionately low share of English Language Learners.

That allegation has caused critics to raise questions whenever charters post higher test scores than regular public schools.

In a study last month published in the Journal of School Choice, researchers from NYU found that the schools do serve fewer English language learners. But they used more data than previous studies - by looking at both state enrollment patterns in city schools from 2006 to 2008 and Census Bureau data provided by the American Community Survey…