{"url":"/school/139167/silverdale-school","urn":139167,"name":"Silverdale School","phase":"secondary","type":"Academy converter","local_authority":"Sheffield","address":{"line1":"Bents Crescent","town":"Sheffield","postcode":"S11 9QH","latitude":53.35173,"longitude":-1.530708},"ofsted":{"current_category_of_concern":null,"inspections":[{"framework":"oeif","framework_label":"Ofsted graded inspection (previous framework)","inspection_date":"2022-10-06","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":"Fewer families are naming it first","earlier_span":"2021–2022","later_span":"2024–2025","earlier_ratio":1.39,"later_ratio":0.9,"years_used":5},"by_year":[{"intake_year":2025,"first_preferences":212,"all_preferences":820,"offers_made":240,"first_preferences_per_place":0.88,"national_percentile":36.0},{"intake_year":2024,"first_preferences":220,"all_preferences":771,"offers_made":239,"first_preferences_per_place":0.92,"national_percentile":43.0},{"intake_year":2023,"first_preferences":230,"all_preferences":779,"offers_made":240,"first_preferences_per_place":0.96,"national_percentile":48.0},{"intake_year":2022,"first_preferences":248,"all_preferences":783,"offers_made":180,"first_preferences_per_place":1.38,"national_percentile":90.0},{"intake_year":2021,"first_preferences":240,"all_preferences":764,"offers_made":171,"first_preferences_per_place":1.4,"national_percentile":89.0},{"intake_year":2020,"first_preferences":241,"all_preferences":821,"offers_made":180,"first_preferences_per_place":1.34,"national_percentile":87.0},{"intake_year":2019,"first_preferences":215,"all_preferences":757,"offers_made":238,"first_preferences_per_place":0.9,"national_percentile":40.0},{"intake_year":2018,"first_preferences":231,"all_preferences":715,"offers_made":239,"first_preferences_per_place":0.97,"national_percentile":51.0},{"intake_year":2017,"first_preferences":224,"all_preferences":759,"offers_made":178,"first_preferences_per_place":1.26,"national_percentile":85.0},{"intake_year":2016,"first_preferences":220,"all_preferences":726,"offers_made":240,"first_preferences_per_place":0.92,"national_percentile":41.0},{"intake_year":2015,"first_preferences":201,"all_preferences":619,"offers_made":180,"first_preferences_per_place":1.12,"national_percentile":75.0},{"intake_year":2014,"first_preferences":206,"all_preferences":610,"offers_made":180,"first_preferences_per_place":1.14,"national_percentile":80.0}]},"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":56.7,"progress8":null,"progress8_confidence_interval":null,"english_and_maths_grade_4_plus_percent":81.6,"ebacc_grade_4_plus_percent":35.6},{"academic_year":2023,"attainment8":57.9,"progress8":0.58,"progress8_confidence_interval":[0.39,0.77],"english_and_maths_grade_4_plus_percent":81.3,"ebacc_grade_4_plus_percent":33.5},{"academic_year":2022,"attainment8":56.6,"progress8":0.64,"progress8_confidence_interval":[0.46,0.83],"english_and_maths_grade_4_plus_percent":81.4,"ebacc_grade_4_plus_percent":42.4}],"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":79.6,"remained":69.2,"left_the_system":9.6,"left_to_other_school":0.8,"left_percent":13.1},{"academic_year":2023,"teacher_fte":85.2,"remained":66.6,"left_the_system":9.8,"left_to_other_school":8.8,"left_percent":21.8},{"academic_year":2022,"teacher_fte":88.1,"remained":74.5,"left_the_system":5.3,"left_to_other_school":8.3,"left_percent":15.4},{"academic_year":2021,"teacher_fte":82.7,"remained":79.8,"left_the_system":1.8,"left_to_other_school":1.1,"left_percent":3.5},{"academic_year":2020,"teacher_fte":80.1,"remained":74.4,"left_the_system":3.0,"left_to_other_school":2.7,"left_percent":7.1},{"academic_year":2019,"teacher_fte":71.3,"remained":63.7,"left_the_system":6.0,"left_to_other_school":1.6,"left_percent":10.7}]},"catchment":{"status":"published","note":"no_zone_published means we hold no zone for this school. It does not mean an address is outside one.","zones":[{"category":"SN","name":"Silverdale School","in_force_from":2025,"area_km2":17.304,"live_postcodes":667,"postcodes_within_50m_of_edge":135,"overlaps_catchments_of":["Mercia School"]}]},"how_places_were_allocated":[{"intake_year":2026,"published_admission_number":null,"offers_made":240,"oversubscribed":true,"last_criterion":null,"furthest_offer_metres":3221.9,"furthest_offer_miles":2.0,"distance_measure":"straight_line","source_document":"Oversubscribed secondary schools, September 2026 entry, Sheffield City Council"}],"how_the_places_were_shared_out":[{"intake_year":2026,"entry_point":"year_7","children_accounted_for":240,"note":"The council's own name for each of its admission rules, and how many children were admitted under it. Rule names are not comparable between councils.","rules":[{"criterion":"Catchment, with a sibling attending the school","children_admitted":73},{"criterion":"Catchment","children_admitted":69},{"criterion":"Sibling will be attending the school in September","children_admitted":34},{"criterion":"Last category, all other applications","children_admitted":27},{"criterion":"Attends a feeder primary","children_admitted":24},{"criterion":"Pupils with an Education Health and Care Plan","children_admitted":11},{"criterion":"Children looked after","children_admitted":2}]}],"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, 2014 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":"Sheffield: offer-day statistics","detail":"Oversubscribed secondary schools, September 2026 entry, Sheffield City Council","url":"https://www.sheffield.gov.uk/sites/default/files/2026-03/oversubscribed_secondary_schools_2026_v2.xlsx","retrieved":"2026-09-05"},{"label":"Sheffield: admission rule breakdown","detail":"How places were shared out, 2026 to 2026 intakes","url":null,"retrieved":"2026-09-05"},{"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"},{"label":"Sheffield: school admission zones","detail":"arcgis fetch 2026-09-05","url":"https://sheffieldcitycouncil.cloud.esriuk.com/server/rest/services/AGOL/OpenData/FeatureServer/3/query?where=1=1&outFields=*&f=geojson","retrieved":"2026-09-05"}]}