Teacher asking students if they are straight

[DtPeabodysLoosePants]

Hi, it's a while since I posted but you might remember me from my earlier threads about taking dd out of lgbt+ week classes at school. A few days ago she told me assembly had been an lgbt+ one and that one of the teachers had shouted loud and proud that he was gay, and asked them to identify if they were straight. Dd is 12. She wishes she had not been in the assembly and I have told school I do not want her to attend and they assured me she would be taken out.
I will be contacting school but am not sure what to say. In what world is it ok to ask 12 year olds about their sexuality?

This is not ok at all!
I would be lodging a formal complaint against the school!

Christ when I was 12 I was still climbing trees and wearing ankle socks. I'm so pleased I'm not growing up these days.

Wow. Are teachers allowed to discuss this?
We're allowed to discuss sexuality when appropriate in the curriculum and when responding to pastoral issues (you'd be amazed some of the topics we end up discussing with students). It's fairly common for staff to be open about their sexuality with students in so far as students know I have a husband or they may know a gay teacher also has a husband. There's nothing awful about staff being openly gay/lesbian.

Pastorally I've had quite a lot of conversations with teens about love, sex, consent, relationships, sexuality etc However, it has to be handled appropriately, professionally and with professional boundaries at all times. We should be safe, responsible adults at all times.

The teacher is out of order in the OP's situation. It doesn't sound appropriate, nor does it sound like it's been handled professionally in my opinion