This study used longitudinal data from the 1970 British Cohort Study (BCS70) to examine the role of neighbourhood quality, assessed when cohort members were aged five, in boys' and girls' school leaving age. It was expected that, since context is in general more strongly predictive of boys' rather than girls' behaviour, neighbourhood quality would be more strongly related to men's than women's school leaving age. Results showed that, as expected, even after controlling for cognitive ability, parental socio-economic disadvantage and social class, family structure, and maternal education, age and depressed mood, neighbourhood quality was more strongly related to men's than women's school leaving age. To rule out the possibility that neighbourhood quality is simply picking up individual level social class the study also explored the interaction of neighbourhood quality with parental social class. It was found that, compared to cohort members of high social class groups, cohort members of lower social class groups were less likely to stay in education after the minimum school leaving age in both neighbourhood groups, but being in the lower social class groups was more of a disadvantage for children living in well-to-do rather than average or poor neighbourhoods at age five. (Contains 2 tables and 1 note.)