There is a strong tradition of studying residential segregation and school segregation as separate phenomena. It is less common to find research that attempts to connect the two and measure the combined consequences on inequality and social cohesion. While many authors in the US have taken an interest in this connection, it remains less studied in France compared to other European countries like Great Britain, Finland and the Netherlands. This is quite surprising in a country where, due to a rather rigid policy of school catchment areas based on place of residence in large cities, there is a strong correlation between socio-residential segregation and school segregation. To understand this complex, interdependent link, we have to take into ...