Schools should make sure the charities they work with share the same values, says Gertrude Clarke.

This new term is something of a milestone. For my 16-year-old daughter, after five years in a Catholic state girls’ school, she’ll be joining a Catholic state boys’ school that’s coeducational in sixth form. She’s already talking darkly about institutional misogyny and sexism, her view having been well and truly coloured by the website Everyone’s Invited, which rattled practically every well-known school that takes in girls, by publishing accounts of alleged catcalling, assault  and discrimination.