{"url":"/school/145872/chiltern-academy","urn":145872,"name":"Chiltern Academy","phase":"secondary","type":"Free schools","local_authority":"Luton","address":{"line1":"Gipsy Lane","town":"Luton","postcode":"LU1 3GF","latitude":51.872839,"longitude":-0.401067},"ofsted":{"current_category_of_concern":null,"inspections":[{"framework":"oeif","framework_label":"Ofsted graded inspection (previous framework)","inspection_date":"2023-02-02","overall_effectiveness":"Good","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":"Little change","earlier_span":"2021–2022","later_span":"2024–2025","earlier_ratio":1.5,"later_ratio":1.44,"years_used":5},"by_year":[{"intake_year":2025,"first_preferences":305,"all_preferences":724,"offers_made":233,"first_preferences_per_place":1.31,"national_percentile":87.0},{"intake_year":2024,"first_preferences":363,"all_preferences":827,"offers_made":232,"first_preferences_per_place":1.56,"national_percentile":94.0},{"intake_year":2023,"first_preferences":319,"all_preferences":753,"offers_made":235,"first_preferences_per_place":1.36,"national_percentile":89.0},{"intake_year":2022,"first_preferences":364,"all_preferences":816,"offers_made":232,"first_preferences_per_place":1.57,"national_percentile":94.0},{"intake_year":2021,"first_preferences":336,"all_preferences":740,"offers_made":236,"first_preferences_per_place":1.42,"national_percentile":90.0},{"intake_year":2020,"first_preferences":369,"all_preferences":836,"offers_made":228,"first_preferences_per_place":1.62,"national_percentile":94.0},{"intake_year":2019,"first_preferences":259,"all_preferences":615,"offers_made":236,"first_preferences_per_place":1.1,"national_percentile":69.0}]},"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":49.5,"progress8":null,"progress8_confidence_interval":null,"english_and_maths_grade_4_plus_percent":69.3,"ebacc_grade_4_plus_percent":49.4},{"academic_year":2023,"attainment8":49.6,"progress8":0.38,"progress8_confidence_interval":[0.19,0.56],"english_and_maths_grade_4_plus_percent":71.8,"ebacc_grade_4_plus_percent":48.3},{"academic_year":2022,"attainment8":54.8,"progress8":0.64,"progress8_confidence_interval":[0.44,0.84],"english_and_maths_grade_4_plus_percent":80.7,"ebacc_grade_4_plus_percent":52.2}],"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":74.9,"remained":65.3,"left_the_system":1.8,"left_to_other_school":7.8,"left_percent":12.8},{"academic_year":2023,"teacher_fte":68.4,"remained":62.4,"left_the_system":3.0,"left_to_other_school":3.0,"left_percent":8.8},{"academic_year":2022,"teacher_fte":73.0,"remained":52.8,"left_the_system":9.2,"left_to_other_school":11.0,"left_percent":27.7},{"academic_year":2021,"teacher_fte":57.4,"remained":44.4,"left_the_system":5.0,"left_to_other_school":8.0,"left_percent":22.6},{"academic_year":2020,"teacher_fte":41.4,"remained":32.4,"left_the_system":6.0,"left_to_other_school":3.0,"left_percent":21.7},{"academic_year":2019,"teacher_fte":30.2,"remained":27.2,"left_the_system":2.0,"left_to_other_school":1.0,"left_percent":9.9}]},"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, 2019 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"}]}