The K-12 student population is becoming increasingly diverse in the United States. In particular, the number of English Language Learners (ELLs) rose from 4.7 million in 1980 to 11.2 million in 2009, more than doubling from 10% to 21% of the student population.

Creative Commons License

Creative Commons Attribution-Noncommercial 4.0 License
This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License.