In all the hubbub about the balance of fiction and nonfiction in the common core, you might well have been hearing less lately about its other expectations. One of those is a renewed focus on the teaching of vocabulary, especially academic vocabulary.
Huge Achievement Gaps
"There is too little teaching of vocabulary in general, and that children in higher-poverty schools tend to get even less of it than those in lower-poverty schools. When you combine that with the recognition that children in higher-poverty schools typically learn fewer words at home, as well, it's easy to see huge gaps taking shape."