Religion and LGBT is quite similar. Some people need it to feel the way they want to feel. It can be annoying if they want you to live the same way they do and with enough power behind it, it can be dangerous. This does not count for LGBT though, as they are missing the lobby and organisation most religions have. But if people do it for themself, and talk about it and explain if asked, its all fine to me. There is no need to judge the one or the other as dumb, ill or crazy. Some people believe that they are a tree, a wolf or a attack helicopter. Others believe in God, heaven and the devil. So dont preach either of them in school but teach about it. Dont teach LGBT in Biology or something, but in ethical or philosophy lessons. Same counts for religious stuff. Dont mix it up with science, there was no Adam nor Eve in History. But everyone should've heard about the worlds most imporant religions and their beliefs.
Its ok to be gay, its okay to be believe in god.