Maybe this is why we formed our own country

You can use the f-word in class (but only five times)
http://www.dailymail.co.uk/pages/live/articles/news/news.html?in_article_id=360685&in_page_id=1770
"Within each lesson the teacher will initially tolerate (although not condone) the use of the f-word (or derivatives) five times and these will be tallied on the board so all students can see the running score," he wrote in the letter."