Free school meal pupils in parts of west London are among the most likely to go on to university.
The England average is 45%.
This is according to figures from the Department for Education - compiled by Trinity Mirror's data journalism team - based on the destinations of pupils finishing Key Stage 5, the two years after GCSEs, in 2013.
One in 10 free school meal pupils in Brent (10.2%) and Ealing (9.9%) went on to Russell Group universities in 2013, some of the best rates in England.
The England average is 4.8%.
However, no free school meal pupils in Hammersmith & Fulham, Kensington & Chelsea, Harrow, and Hounslow secured Oxbridge places in 2013.
Free school meal pupils across England are around 6% less likely to go to university than the average pupil, with 44.6% getting places compared to an overall average of 47.6%.
The gap is bigger for Russell Group university places, where free school meals pupils are less than half as likely to get places, with just 4.8% going to the top universities, compared to 10.6% overall.
Families who are on a low income or benefits can be eligible for free school meals which are available to any full-time student who is still in education and eligible.
This includes nursery children who attend full days and also sixth form students.