Religious schools continue to select by income and family background despite new admissions code.
Faith schools in Hammersmith and Fulham have a greater number of pupils from higher income families than state schools in the borough.
This is despite new government guidelines which should prevent middle-class children having an unfair advantage over their working-class counterparts when applying to state schools.
The four secular secondary schools in Hammersmith and Fulham: Fulham Cross, Henry Compton, Hurlingham and Chelsea and Phoenix schools have between 41 per cent and 56 per cent of pupils in receipt of free school meals (against a national average of 15 per cent).
In contrast the three voluntary aided (RC and CofE) schools London Oratory, Sacred Heart and Lady Margaret School have between 2 per cent and 6 per cent of their intake in receipt of free school meals.
Burlington Danes CofE Academy comes in at the middle but still – given academies are supposed to be located in the most deprived areas – on 21 per cent.
The London Oratory, Sacred Heart and Lady Margaret School are among the best state schools in London. Former prime minister Tony Blair sent his children to the Oratory and Sacred Heart despite living some distance from the borough.
According to Ealing, Acton and Shepherds Bush MP Andy Slaugher, a typical secular school in an inner city area would have 50 per cent more pupils on free school meals than an equivalent faith school.
Mr Slaughter said: "There is no adequate explanation for this. I would have thought the churches would actively try to level the playing field.
"These are not independent schools but fully funded by the taxpayer, irrespective of religion. I am pleased to see the new (secular) academy in Shepherds Bush has dropped Commission’s guidelines published this week advising private schools that they will be expected to offer subsidised places to children from families who cannot afford to pay fees.
"Schools that do not abide by the guidelines face losing their charitable status and therefore tax breaks and will not be able to restart as a business."
As many as 2,000 faith and foundation schools were found guilty of "widespread violations" of the Government's new admissions rules last week which ban them from interviewing parents and charging for places.
Ed Balls, the Children's Secretary, said that some schools had asked for hundreds of pounds each term from parents desperate to get their children into the best schools.
Others had interviewed children and asked about their parents' marital status and occupations.