Took a toefl-like quiz that measures the extent to which one's english is americanized (read polluted). I didn't do very badly, actually, considering my exposure to american claptrap - ;-)

English Genius You scored 92% Beginner, 100% Intermediate, 100% Advanced, and 93% Expert!

You did so extremely well, even I can't find a word to describe your excellence! You have the uncommon intelligence necessary to understand things that most people don't. You have an extensive vocabulary, and you're not afraid to use it properly! Way to go!

My test tracked 4 variables How you compared to other people your age and gender: You scored higher than 37% on Beginner You scored higher than 72% on Intermediate You scored higher than 88% on Advanced You scored higher than 98% on Expert

The Commonly Confused Words Test on Ok Cupid