It's been widely reported that the Arizona Department of Education has begun working to remove teachers whose English-language skills are viewed as inadequate. According to press reports, the evaluators aim (among other things) to remove teachers with "accents", which probably means Spanish accents in most cases. Casey Stegall, "Arizona Seeks to Reassign Heavily Accented Teachers", Fox News 5/22/2010, wrote:
After passing the nation's toughest state immigration enforcement law, Arizona's school officials are now cracking down on teachers with heavy accents.