{"url":"/school/143902/therfield-school","urn":143902,"name":"Therfield School","phase":"secondary","type":"Academy converter","local_authority":"Surrey","address":{"line1":"Dilston Road","town":"Leatherhead","postcode":"KT22 7NZ","latitude":51.305798,"longitude":-0.334787},"ofsted":{"current_category_of_concern":null,"inspections":[{"framework":"ungraded","framework_label":"Ofsted ungraded inspection","inspection_date":"2024-05-16","overall_effectiveness":null,"category_of_concern":null,"note":"The current framework awards no overall grade; a previous-framework grade is not a school's current one."}]},"demand":{"entry_point":"year_7","measure":"first preferences expressed divided by offers made","not_a_prediction":"It describes demand. It does not indicate whether any particular child would be offered a place.","movement":{"headline":"More families are naming it first","earlier_span":"2021–2022","later_span":"2024–2025","earlier_ratio":0.64,"later_ratio":0.71,"years_used":5},"by_year":[{"intake_year":2025,"first_preferences":155,"all_preferences":446,"offers_made":217,"first_preferences_per_place":0.71,"national_percentile":17.0},{"intake_year":2024,"first_preferences":141,"all_preferences":375,"offers_made":200,"first_preferences_per_place":0.7,"national_percentile":17.0},{"intake_year":2023,"first_preferences":131,"all_preferences":397,"offers_made":207,"first_preferences_per_place":0.63,"national_percentile":13.0},{"intake_year":2022,"first_preferences":143,"all_preferences":408,"offers_made":218,"first_preferences_per_place":0.66,"national_percentile":13.0},{"intake_year":2021,"first_preferences":138,"all_preferences":393,"offers_made":222,"first_preferences_per_place":0.62,"national_percentile":14.0},{"intake_year":2020,"first_preferences":137,"all_preferences":366,"offers_made":213,"first_preferences_per_place":0.64,"national_percentile":14.0},{"intake_year":2019,"first_preferences":130,"all_preferences":407,"offers_made":230,"first_preferences_per_place":0.57,"national_percentile":11.0},{"intake_year":2018,"first_preferences":149,"all_preferences":403,"offers_made":210,"first_preferences_per_place":0.71,"national_percentile":18.0},{"intake_year":2017,"first_preferences":133,"all_preferences":347,"offers_made":178,"first_preferences_per_place":0.75,"national_percentile":20.0}]},"results":{"note":"Withheld figures appear as null, never zero. Progress measures are estimates published with a 95% interval.","key_stage_4":[{"academic_year":2024,"attainment8":49.0,"progress8":null,"progress8_confidence_interval":null,"english_and_maths_grade_4_plus_percent":69.8,"ebacc_grade_4_plus_percent":47.3},{"academic_year":2023,"attainment8":50.3,"progress8":0.08,"progress8_confidence_interval":[-0.14,0.29],"english_and_maths_grade_4_plus_percent":72.0,"ebacc_grade_4_plus_percent":44.6},{"academic_year":2022,"attainment8":44.8,"progress8":-0.17,"progress8_confidence_interval":[-0.38,0.04],"english_and_maths_grade_4_plus_percent":68.5,"ebacc_grade_4_plus_percent":33.7}],"key_stage_2":[]},"workforce":{"note":"Full-time equivalents, not headcounts. Teacher turnover only: carries no claim about heads or senior leaders.","by_year":[{"academic_year":2024,"teacher_fte":71.1,"remained":65.1,"left_the_system":1.0,"left_to_other_school":5.0,"left_percent":8.4},{"academic_year":2023,"teacher_fte":71.7,"remained":60.5,"left_the_system":5.6,"left_to_other_school":5.6,"left_percent":15.6},{"academic_year":2022,"teacher_fte":68.9,"remained":58.9,"left_the_system":4.0,"left_to_other_school":6.0,"left_percent":14.5},{"academic_year":2021,"teacher_fte":66.9,"remained":52.2,"left_the_system":10.3,"left_to_other_school":4.4,"left_percent":22.0},{"academic_year":2020,"teacher_fte":62.5,"remained":54.9,"left_the_system":2.6,"left_to_other_school":5.0,"left_percent":12.2},{"academic_year":2019,"teacher_fte":58.4,"remained":47.6,"left_the_system":6.8,"left_to_other_school":4.0,"left_percent":18.5}]},"catchment":{"status":"none_published","note":"no_zone_published means we hold no zone for this school. It does not mean an address is outside one.","zones":[]},"how_places_were_allocated":[],"how_the_places_were_shared_out":[],"sources":[{"label":"Department for Education: Get Information about Schools","detail":"School identity, type, phase and address","url":"https://get-information-schools.service.gov.uk/","retrieved":"2026-09-02"},{"label":"Ofsted: state-funded school inspections management information","detail":"Inspection outcomes, published monthly","url":"https://www.gov.uk/government/statistical-data-sets/monthly-management-information-ofsteds-school-inspections-outcomes","retrieved":"2026-09-04"},{"label":"Department for Education: school-level applications and offers","detail":"Preferences and offers, 2017 to 2025 intakes","url":"https://explore-education-statistics.service.gov.uk/find-statistics/primary-and-secondary-school-applications-and-offers","retrieved":"2026-09-04"},{"label":"Department for Education: key stage 4 performance","detail":"Attainment 8, Progress 8 and EBacc, by school","url":"https://explore-education-statistics.service.gov.uk/find-statistics/key-stage-4-performance","retrieved":"2026-09-04"},{"label":"Department for Education: school workforce in England","detail":"Teacher turnover, by school, from the School Workforce Census","url":"https://explore-education-statistics.service.gov.uk/find-statistics/school-workforce-in-england","retrieved":"2026-09-04"}]}