Interesting opinion today in the DT. It seems literacy is a problem for local residents also. Check out the title. LOL.

Lieracy Important for Immigrants as well as Local Residents

Link...

Seriously, uneducated immigrants often have little demand of their own language, making English that much harder to learn. I see this first hand almost every day. The educated person usually does not need to leave his country to provide for his family. Our huddled masses are mostly uneducated.