" 
 JFS has recently been the centre of much attention in the UK Jewish media, particularly the Jewish Chronicle, because the son of a woman who converted to Judaism was not accepted by JFS. However, this was not due to the school's own policy, but because the London Beth Din - the local religious authority - refused to recognise the mother's conversion. After Rabbi Jonathan Sacks (the Chief Rabbi of England) pronounced the conversion unauthentic, the mother has since taken legal action against him 
 I have never heard before  of anything like this. Maybe the mother was not converted properly.  e "