Lyon (1) Children (1) Boundaries (1) Inner cities (1) Schools (1) Reality (1) Public schools (1) Proportion (1) Flight (1) Example (1) Country music (1) Cities and towns (1) Foreign workers (1) Older people (1) Population (1) Geography (1) Emigration and immigration (1) Students (1) Vuelo (1) Country (1) Realidad (1) Emigración e inmigración (1) Centros docentes (1) Ancianos (1) Proporción (1) Geografía (1) Géographie (1) Collectivité territoriale (1) Ségrégation sociale (1) SDAU (1)