A shampoo commercial reminded me of Straight, the scene is a junior or elementary age school in China. It reminded me of Straight because, as the teacher faces the class, the girls are all on the right side, the boys are all on the left side. Even lining up to go into the classroom, the lines are segregated and the girl who flirts with the boy is scolded by the woman in charge. Then at the end of the class the girl and the boy run down the school steps holding hands, and the idea is they are breaking the rules (because of her shiny hair of course).
"New" ideas of sex segregation in schools are showing up in the U.S.:
http://www.nytimes.com/2006/10/25/educa ... yt&emc=rss