New sexuality/gender group set up at daughter's school - how do I respond?

[stabledoor]

My daughter is in Y8. So far her school (large suburban comprehensive) has been remarkably free of any issues around gender. But yesterday there was a notification that a new lunchtime club for those who are 'confused/questioning their sexuality/gender identity' is being started by a teacher. I wrote to the teacher immediately yesterday asking some very neutral questions around which year groups it's aimed at, what she thinks they'll do at the club, what resources or information she'll be using. The teacher has responded at length, and I can share her response, but don't want to make this first post overwhelming. I just would appreciate some help in terms of what I do next. It's raised lots of red flags for me. My daughter is very interested in these issues, and there's a big conversation (which I have been avoiding) that I need to have with her at home around gender ideology. But I feel my priority right now is to manage what's happening at school. I'm so shocked that post-Cass, a teacher still thinks it's appropriate to set up this kind of group.
Should I respond to the teacher for the moment, or should I write to the safeguarding lead? What are the points I need to be making? I'm a little overwhelmed by this whole area, and just not quite sure where to start.

These sexuality and identity clubs are a terrible idea. I really hope the op has had that difficult conversation with her child.
btw this sentence from Safe Schools Alliance is not accurate “Children who are questioning their sexuality may benefit from an LGB support group.” There is no quality evidence to support this statement

A lot of the issues people have flagged on this would still apply.

Mixed age kids talking about sexuality, sex, dating, etc.

Kids talking about sexual issues with teacher.

Kids belonging to clubs without parental knowledge, including young teens. (What would be the schools stance on privacy?)

Are groups centered around sexuality really what kids need?

In these groups I've seen, especially for the younger crowd, what you typically get are a lot of kids who don't fit in well and come for the affirmation and acceptance. Most of the activities are social but these are linked in some way to sexuality. There is often pressure to sexually identify in even quite young kids (11, 12) because it gives admittance to the group. I've known of an instance where every 11 year old girl was a member, and another where it was almost entirely made up of the kids in special educational programs.

For most of these kids, many of whom have only a vague sense of how their sexuality is going to emerge over the next 10 years, (and which does not require framing by a teacher) the last thing they need is to create a sense of identity and community centered around sexuality. They's be better off in art club, drama, cooking club, etc.