I agree – it assumes that all girls are going to become sexually active under age. I don’t know if you know about the work of the Family Education Trust – they have some helpful leaflets https://familyeducationtrust.org.uk/publications/ and their report @Unprotected’ about the dangers of early sexualisation is well worth reading http://familyeducationtrust.org.uk/product/unprotected/
These articles might help with stats:
this blog shows how minimal the LBT bullying issue really is in comparison with other forms of bullying http://christiansineducation.co.uk/bullying-the-reality-behind-the-rhetoric/
and this one talks about the inequality of the Department for Education’s focus on homophobic bullying at the expense of other victims http://christiansineducation.co.uk/is-ofsted-in-breach-of-the-equality-act/
People could write to their MPs to highlight the issue of bullying and the fact that there appears to be a hierarchy. Write to newspapers as well.