One of the reasons the Irish assimilated as quickly as they had was because they spoke....you guessed it...English.

Public Schools all over the country are hampered greatly because they are required to deal with dozen up dozen of different languages, not to mention different customs, etc. Add to that the deviations created by minoroity goups who band together as a gang and you can see that teachers are really up against it. Now include the same problems are facing employers and....bingo you have a major burden facing America.