We characterize measures of school segregation for any number of ethnic groups using a set of purely ordinal axioms … that includes Scale Invariance: a school district's segregation ranking should be invariant to changes that do not affect … subdivided or (b) its students in a subarea are moved around so as to weakly raise segregation in that subarea. If the …

We propose a set of axioms for the measurement of multigroup school segregation. They are motivated by two criteria: do … by Henri Theil, has a more intuitive decomposition than other indices. As an application, we find that segregation … between districts within cities accounts for 33% of school segregation. Segregation across states, driven mainly by the …