But you can teach kids about gay people—the existence of gay people, the contributions made by gay people (like winning WWII)—and not only will kids, you know, learn things (about, say, WWII), but straight kids will be be more tolerant and the gay kids will face less bullying and harassment. It's working at one school in the UK:
A north London school which has developed lessons on gay historical figures who suffered persecution claims to have succeeded in "more or less eliminating homophobic bullying" in its classrooms and playgrounds over the last five years. The life story of the wartime code-breaker Alan Turing is among those being used to tackle homophobia. Authors Oscar Wilde and James Baldwin and artist Andy Warhol also feature. Now Stoke Newington secondary plans to share the lessons with hundreds of primary and secondary school teachers. By the summer, it will have trained more than a hundred teachers in how to "educate and celebrate" being gay.
Turing, a mathematician who cracked German codes in the second world war, was prosecuted in 1952 for his homosexuality, which was then a crime. He was forced to decide between prison and taking female hormones to reduce his libido, and chose the latter. An inquest into his death—two years after his prosecution—returned a verdict of suicide...
Elly Barnes, a music teacher, devised the lesson plans and training course with the help of colleagues. Her concern began when she heard a pupil say their "pen was so gay" when it snapped in two. Barnes's aim is to "eradicate homophobia from all schools" by giving staff the confidence and resources required to tackle the prejudice.... "By looking at famous LGBT people in history, we've changed opinions and we have had a number of pupils come out," Barnes said. "We have also changed the language used in the school. I used to hear the word gay used all the time as a derogatory term. Now we hardly hear it."
It's a nice idea—but it couldn't happen here, not in the USofA, where right-wing Christian bigots insist that acknowledging the existence of gay people is tantamount to teaching buttsex to five years olds.