I really feel sorry for the victims of the Sayreville tragedy; and yes the incident is a tragedy. Those four young men will be scarred forever. They will have bad dreams, distance themselves from sports and probably need some type of professional help.
As a history teacher, I cherish history and know the importance of all people's history. However, when it comes to teaching LGBT history, many so-called religious people always pull out the religious card.
The best example you can set for your students is to be a great leader. Use inclusive language, make the classroom a place for safe dialog by allowing students to have conversations that presents questions, but is without judgment.