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Since 2017, Ireland has intended to use the Pobal HP Deprivation Index to identify schools serving high proportions of disadvantaged students. This study evaluates the validity and fitness for purpose of the HP index for school identification. Using PISA 2018 data matched with administrative records, results show strong correlations with other socio-economic measures, but about one in five schools may be misclassified and HP explains less reading variance than other variables, highlighting the need for ongoing methodological review.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":40,"@type":76,"position":81},"https://docshare.wps.com/document/research-report/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/validating-school-based-measures-of-educational-disadvantage-in-ireland/602138/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/validating-school-based-measures-of-educational-disadvantage-in-ireland/602138.png","ImageObject",300,407,{"name":92,"@type":93},"acoobca","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-31","2026-10-15",true,{"@type":102,"interactionType":103,"userInteractionCount":81},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the purpose of the paper on educational disadvantage in Ireland?","Question",{"text":112,"@type":113},"To assess the validity and fitness for purpose of the Pobal HP Deprivation Index for identifying schools with high concentrations of socio-economically disadvantaged students.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How does the study evaluate the Pobal HP Deprivation Index?",{"text":117,"@type":113},"It uses Ireland’s PISA 2018 dataset matched with administrative data and compares HP with richer socio-economic survey measures and educational achievement outcomes.",{"name":119,"@type":110,"acceptedAnswer":120},"What are the main findings regarding the HP index’s performance?",{"text":121,"@type":113},"The paper finds a strong correlation between school-average HP and other socio-economic measures, but about one-in-five schools are potential false positives or false negatives when HP is used for identification, and HP explains less variance in reading achievement than other variables.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},602138,1792230290,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":39,"category_name":40,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":81,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":145},3985747870733,"https://ap-avatar.wpscdn.com/davatar_a8503ba1806abce46bf441b54a3ca4cd","| education policy analysis archives\u003Cbr>A peer-reviewed, independent, open access, multilingual journal | |\n| --- | --- |\n| Arizona State University |  |\n| Volume 30 Number 169 November 22 , 2022 ISSN 1068-2341 |  |\n\nValidating School-based Measures of Educational Disadvantage in Ireland  \nLorraine Gilleece  \n&  \nGráinne McHugh  \nEducational Research Centre  \nIreland  \nCitation: Gilleece, L., & McHugh, G. (2022). Validating school-based measures of educational disadvantage in Ireland. Education Policy Analysis Archives, 30 (169) .  \n[https://doi.org/10.14507/epaa.30.7245](https://doi.org/10.14507/epaa.30.7245)  \nAbstract: Reducing the socio-economic achievement gap is a key goal of education policy internationally. Since 2017, the stated intention in Ireland is to use the Pobal HP Deprivation Index to identify schools serving high proportions of disadvantaged students. In spite of this, little published research has compared the performance of the HP index to richer survey measures from large-scale educational assessments or examined its association with educational achievement at primary or second level. This paper aims to assess the validity and fitness for purpose of the HP index for use in identifying schools serving high concentrations of socio-economically disadvantaged students. Analyses draw on Ireland’s Program for International Student Assessment (PISA) 2018 dataset matched with administrative data. Findings show a strong correlation between school-average HP and other socio-economic measures examined. However, about one-in-five schools are identified as potential ‘false positives’ or ‘false negatives’ when school-average HP is used for identification purposes. Also, school-average HP explains less variance in reading achievement than other variables considered. Conclusions recognize the benefits of the  \nHP index but emphasize the need for ongoing examination of the most appropriate methods of identification.  \nKeywords: student diversity; PISA; socio-economic measures; deprivation index; Ireland  \nValidación de las medidas escolares de desventaja educativa en Irlanda  \nResumen: Reducir la brecha de logros socioeconómicos es un objetivo clave de la política educativa a nivel internacional. Desde 2017, la intención declarada en Irlanda es utilizar el índice de privación Pobal HP para identificar las escuelas que atienden a una gran proporción de estudiantes desfavorecidos. A pesar de esto, pocas investigaciones publicadas compararon el desempeño del índice HP con medidas de encuestas más ricas deevaluaciones educativas a gran escala o examinaron su asociación con el rendimientoeducativo en el nivel primario o secundario. Este documento tiene como objetivo evaluarla validez y la idoneidad para el uso del índice HP en la identificación de escuelas queatienden a altas concentraciones de estudiantes con desventajas socioeconómicas. Los análisis se basan en el conjunto de datos del Programa para la Evaluación Internacional de Estudiantes (PISA) de Irlanda de 2018 combinado con datos administrativos. Los hallazgos muestran una fuerte correlación entre el HP promedio escolar y otras medidas socioeconómicas examinadas. Sin embargo, aproximadamente una de cada cinco escuelasse identifican como posibles “falsos positivos” o “falsos negativos” cuando se utiliza el HP promedio de la escuela con fines de identificación. Además, el HP promedio escolarexplica menos variación en el rendimiento en lectura que otras variables consideradas. Las conclusiones reconocen los beneficios del índice HP pero enfatizan la necesidad de un examen continuo de los métodos de identificación más apropiados.  \nPalabras clave: diversidad estudiantil; PISA; medidas socioeconómicas; índice de privación; Irlanda  \nValidação de medidas escolares de desvantagem educacional na Irlanda  \nResumo: Reduzir a lacuna de desempenho socioeconômico é um objetivo fundamental da política educacional internacional. Desde 2017, a intenção declarada na Irlanda é usar o Po","cbCaicBoCs8Eje0u","https://ap.wps.com/l/cbCaicBoCs8Eje0u","pdf",455030,26,"English","# Abstract\n## Research purpose and policy context\n## Data and analytical approach\n## Key findings\n## Implications and conclusions","[{\"question\":\"What is the purpose of the paper on educational disadvantage in Ireland?\",\"answer\":\"To assess the validity and fitness for purpose of the Pobal HP Deprivation Index for identifying schools with high concentrations of socio-economically disadvantaged students.\"},{\"question\":\"How does the study evaluate the Pobal HP Deprivation Index?\",\"answer\":\"It uses Ireland’s PISA 2018 dataset matched with administrative data and compares HP with richer socio-economic survey measures and educational achievement outcomes.\"},{\"question\":\"What are the main findings regarding the HP index’s performance?\",\"answer\":\"The paper finds a strong correlation between school-average HP and other socio-economic measures, but about one-in-five schools are potential false positives or false negatives when HP is used for identification, and HP explains less variance in reading achievement than other variables.\"}]","Validating School-based Measures of Educational Disadvantage in Ireland | PDF",1792094097,66]