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We support schools, nurseries and colleges to improve teaching and learning for 2 – 19-year-olds through better use of evidence.  \nWe do this by:  \n• Summarising evidence. Reviewing the best available evidence on teaching and learning and presenting in an accessible way.  \n• Finding new evidence. Funding independent evaluations of programmes and approaches that aim to raise the attainment of children and young people from socio-economically disadvantaged backgrounds.  \n• Putting evidence to use. Supporting education practitioners, as well as policymakers and other organisations, to use evidence in ways that improve teaching and learning.  \nWe were set-up in 2011 by the Sutton Trust partnership with Impetus with a founding £125m grant from the Department for Education. In 2022, we were re-endowed with an additional £137m, allowing us to continue our work until at least 2032.  \nFor more information about the EEF or this report please contact:  \nEducation Endowment Foundation 5th Floor, Millbank Tower  \n21–24 Millbank  \nSW1P 4QP  \n[www.educationendowmentfoundation.org.uk](www.educationendowmentfoundation.org.uk)  \nContents  \nExecutive summary ............................................................................................................................................ 4  \nIntroduction ........................................................................................................................................................ 6  \nMethods ............................................................................................................................................................ 19  \nImpact evaluation results.................................................................................................................................. 43  \nImplementation and process evaluation results ............................................................................................... 60  \nConclusion ....................................................................................................................................................... 95  \nReferences...................................................................................................................................................... 101  \nAppendix A: EEF cost rating........................................................................................................................... 103  \nAppendix B: Security classification of trial findings....................................................................................... 104  \nAppendix C: Changes since the previous evaluation ..................................................................................... 105  \nAppendix D: Effect size estimation ................................................................................................................. 108  \nAppendix E: Survey items measuring TA’s confidence is their own maths abilities ...................................... 109  \nAppendix F: Distribution of QRT scores in the subgroup of FSM-eligible pupils............................................ 110  \nAppendix G: Results from the missing data logistic regression models ........................................................ 112  \nFurther appendices......................................................................................................................................... 114  \nAbout the evaluator  \nThe project was independently evaluated by a team from the National Foundation for Educational Research (NFER) . The trial director and principal investigator for this study was Pippa Lord, Research Director and Early Years Lead. Aarti Sahasranaman, Senio","cbCairffnfHl8Gdo","https://ap.wps.com/l/cbCairffnfHl8Gdo","pdf",1828457,116,"English","# Executive summary\n# Introduction\n# Methods\n# Impact evaluation results\n# Implementation and process evaluation results\n# Conclusion\n# References\n# Appendix A: EEF cost rating\n# Appendix B: Security classification of trial findings\n# Appendix C: Changes since the previous evaluation","[{\"question\":\"What is the 1stClass@Number 1 effectiveness trial evaluation focused on?\",\"answer\":\"It evaluates the effectiveness of the 1stClass@Number 1 programme, presenting both impact evaluation results and implementation and process evaluation results.\"},{\"question\":\"What organization produced the report and what is its role?\",\"answer\":\"The Education Endowment Foundation produced the report, using evidence to improve teaching and learning and supporting independent evaluations of education programmes.\"},{\"question\":\"What types of additional materials are included beyond the main findings?\",\"answer\":\"The report includes references and multiple appendices covering cost rating, security classification, changes since the previous evaluation, effect size estimation, survey items, subgroup score distributions, and missing-data logistic regression results.\"}]","1stClass@Number 1 Effectiveness trial - Evaluation Report - June 2025 | PDF",1792050426,292]