Art teacher Samantha Stankiewicz says the activity gives students a way to express empathy for victims.
VOA: special.2011.03.31
And schools will often recognize a new club or activity if enough students are interested.
VOA: special.2009.08.07
Earlier this summer Dr Bearman reported, in the American Journal of Sociology, an examination of high-school students' sexual activity and romantic relationships.
Numerous surveys show the benefits of physical and organized sport activity for students, both for their health and for improving their academic performance.
But at most business schools, even those hosting competitions, the games are considered an extracurricular activity and students are not awarded credits for taking part.