établissement scolaire (1) recherche (1) association (1) information (1) revenu (1) distribution (1) âge (1) ligne (1) abords (agglomération) (1) Variation (1) Children (1) Case (1) Wealth (1) Social sciences (1) Social groups (1) Research (1) Performance (1) Parents (1) Matter (1) Life (1) Income (1) Impact (1) Howe family (1) Grammar, Comparative and general--Case (1) Families (1) Example (1) Evidence (1) Comprehension (1) Children (1) Case (1)