In 2010, violent crimes against gay, lesbian and transgendered people were up 13% over the previous year. Murders increased by 23%, according to the National Coalition of Anti-Violence Projects.

The problem can start as early as elementary school, but teachers who witness sexual bias in the classroom are often unsure of how, or whether, to intervene.

To help them figure it out, Encampass, a non-profit group in Los Angeles, uses live theater to train teachers to counteract homophobia in schools.

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