This repository contains the data and code used in: Gunes, P.M. and Tsaneva, M. (2026) "The Effect of Brazil’s Family Health Program on Cognitive Skills", Oxford Bulletin of Economics and Statistics. Data The datasets include the analytical samples used in the study, constructed from Brazilian administrative records. All variables used in the main analysis are included. Raw data on test scores can be accessed from [http://portal.inep.gov.br/basic-education-assessments]. Raw data on FHP coverage at the municipality level is available at [http://dab.saude.gov.br/portaldab/historico_cobertura_sf.php]. Additional data for various regression controls is available at [http://tabnet.datasus.gov.br/] [https://www.ibge.gov.br/estatisticas/economicas/contasnacionais/9088-produto-interno-bruto-dos-municipios.html?edicao=18760&t=resultados], [https://www.tesourotransparente.gov.br/temas/estatisticas-fiscais-e-transparencia/informacoes-epublicacoes-de-estados-df-e-municipios], [http://inep.gov.br/censo-escolar]. Code The code reproduces all tables and figures in the paper, using the cleaned and analysis-ready files. Scripts are organized by output with clear titles. Notes The code was executed using Stata 18. File paths will need to be adjusted to local directories. Users are encouraged to cite both the published article and this Zenodo record when using these materials.