I'm not sure why it's so shocking
Because
Education lawyer Imogen Jolley, of Simpson Millar, said it was generally accepted that withdrawing a school place at the end of year 12 amounted to an exclusion, which, in the case of a local authority maintained school – as St Olave’s is – would be governed by Department for Education exclusion guidance.
Under the guidance, it is only lawful to exclude a pupil on disciplinary matters. It states clearly that it is “unlawful” to exclude for “a reason such as academic attainment/ability”