[spartango]

Notably, a lower-tech version of this social dynamic (particular the sexual version) appeared in a high school in California this year[1]. We think of these things as incredibly immature and disrespectful, but it appears that they happen anyway.

[1]http://www.cbsnews.com/video/watch/?id=50133713n

[gwillen]

These stories are perennial in the media. They are inevitably exaggerated or outright fake. Remember, their sources are kids who are bored and want to be on TV.

[illuminate]

Yep, like http://www.snopes.com/risque/school/bracelet.asp or "rainbow parties". Kids also enjoy pranking the media.