While intergenerational transmission of human capital has been widely documented by economists, less is known about differences in schooling between siblings. This paper proposes a measure of educational inequality in France using a sample of 27,197 children from 11,694 families. Estimation of ordered Probit models with random effects and application of variance decomposition allow making a distinction between educational inequalities between families and educational inequalities within families, among siblings. Results show that differences in schooling between families amount to about two-thirds of the total variance. Compared to their siblings, girls and first-born children are more educated.
