On Dec. 28, 2014, Leelah Alcorn died after walking into traffic on a highway near her hometown of Kings Mills, Ohio. The 17-year-old identified as transgender, and in a suicide note published online, which became national news, Alcorn wrote:

"The only way I will rest in peace is if one day transgender people aren't treated the way I was, they're treated like humans, with valid feelings and human rights. Gender needs to be taught about in schools, the earlier the better. My death needs to mean something."

Devon Shanley read in those words a personal call to action. He is a transgender man teaching seventh-grade English in New York City. He resolved to become more vocal as a teacher and activist. While realizing that some trans people do not want to be out, and for others being out may threaten their safety, he believes, "this is what is killing us, this silencing."

Awareness of gender diversity has been growing. And schools in particular have been a battleground for gender rights. In interviews with 15 individuals, and in an NPR Ed survey of dozens more trans and gender-nonconforming educators around the country, teachers like Shanley told us they are becoming more visible, more active, more organized. Read more and listen to the story via NPR