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Secondary · Independent (中学私立)

ISC-tier fee-paying secondary schools (HMC / GSA / IAPS members) with senior-school age range (≥16). Default order: continuous prestige score = manual tier (Clarendon Nine / HMC flagships) + DfE A-Level + GCSE + pupil count + boarding + destination signal. All 506 ISC schools ranked on one transparent scale. Click 'A-Level AAB %' for pure academic-merit. Excludes embassy / small religious / SEN micro-schools. Currently sorted by A-Level AAB % (period 202425).

Sort by:OfstedComposite · A-LevelComposite · GCSEComposite (all)A-Level AAB %A-Level APS / entryValue-addedGCSE Attainment 8GCSE Eng+Maths 5+EBacc APS
Showing 125 of 32Page 1 of 2EES period: 202425
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#SchoolA-Level AAB %TypeRegionOfsted
1Guildford High School
Period 202425
78.9%Independent · Day · 6thGuildford, South East
2Wycombe Abbey
Period 202425
63.9%Independent · Boarding · 6thHigh Wycombe, South East
3St Swithuns
Period 202425
58.3%Independent · Boarding · 6thUnknown, South East
4Sir William Perkins's School
Period 202425
58.1%Independent · Day · 6thUnknown, South East
5St Helen and St Katharine
Period 202425
57.6%Independent · Day · 6thAbingdon, South East
6Queen Anne's School
Period 202425
49.5%Independent · Boarding · 6thReading, South East
7Heathfield School
Period 202425
49.5%Independent · Boarding · 6thAscot, South East
8St Catherine's School
Period 202425
47.4%Independent · Boarding · 6thGuildford, South East
9Headington Rye Oxford
Period 202425
47.1%Independent · Boarding · 6thOxford, South East
10Oxford High School GDST
Period 202425
44.3%Independent · Day · 6thOxford, South East
11Tudor Hall School
Period 202425
43.2%Independent · Boarding · 6thBanbury, South East
12Benenden School
Period 202425
41.3%Independent · Boarding · 6thCranbrook, South East
13St Mary's School Ascot
Period 202425
41.2%Independent · Boarding · 6thAscot, South East
14Downe House
Period 202425
39.6%Independent · Boarding · 6thThatcham, South East
15Farnborough Hill
Period 202425
37.8%Independent · Day · 6thFarnborough, South East
16The Abbey School Reading
Period 202425
35.9%Independent · Day · 6thReading, South East
17Roedean School
Period 202425
34.6%Independent · Boarding · 6thBrighton, South East
18Walthamstow Hall
Period 202425
31.7%Independent · Day · 6thSevenoaks, South East
19Tormead School
Period 202425
31.5%Independent · Day · 6thGuildford, South East
20Thornton College
Period 202425
31.3%Independent · Boarding · 6thMilton Keynes, South East
21The Marist School
Period 202425
29.0%Independent · Day · 6thAscot, South East
22St Teresa's School
Period 202425
28.2%Independent · Boarding · 6thDorking, South East
23Burgess Hill Girls
Period 202425
26.7%Independent · Boarding · 6thBurgess Hill, South East
24Woldingham School
Period 202425
24.3%Independent · Boarding · 6thCaterham, South East
25Notre Dame School
Period 202425
24.0%Independent · Day · 6thUnknown, South East
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Source: DfE / Explore Education Statistics, latest published 16-18 period (202425). Independent schools that don't submit to DfE are not represented.

Note on Independent schools: most are inspected by ISI, not Ofsted, so the Ofsted column is empty for many entries. ISI bulk data is not publicly available — sorting by A-Level metrics gives a more meaningful order for this slice.