the census covered teachers working in public institutions maintained by the national public education administration anep only hence data for early childhood and preprimary education do not include teachers in schools managed by the ministry of education and culture mec and by the child and adolescent institute of uruguay inau also data on technicalprofessional programmes include teachers in programmes at the tertiary level a minor proportion of programmes supervised by cetp in public primary education the average size of classes has decreased over the last decade to students in