Schoolchildren are being taught about anal sex and orgasms before they have reached puberty and set ‘masturbation’ as homework, secretive lesson plans reveal.

Many teachers are ‘indoctrinating’ children with scientifically false claims about biological sex, presenting gender as fluid and furthering a narrative that people can be born in the wrong body.

It comes as the NHS is facing a mass legal action from 1,000 families who claim their children were rushed into taking life-changing puberty blockers’ by the Tavistock Centre.

MailOnline has found graphic teaching material — including a sex manual for pre-teens — being taught to children in classes around the UK.

It follows a concerned mother being denied the right to see the content of the lessons being taught to her 15-year-old daughter in her Relationships and Sex Education (RSE) classes, which became compulsory three years ago.

Despite a judge refusing Clare Page the right to see the material, MailOnline can reveal that a wealth of questionable teaching resources are already available online.

Colouring books, word searches and cartoon drawings have also been given to young girls and boys by ‘activist teachers’ in their ‘overarching mission to sexualise children in the name of inclusion’.

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