My DD is in Y7. There are many kids in her year who are boasting to be bisexual on social media and at school. They are popular kids, mainly a big group of quite powerful girls, and they accuse many other kids of being homophobic. My DD says that they do it to be cool, and she doesn't get involved. At first I laughed and told her that it's absolutely fine to be gay, straight or bisexual, but that it's usually not that easy to know at 11/12. They also talk about depression and self harm as if it's a competition! I'm just glad that my DD still prefers Minecraft!