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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 GCSE Attainment 8 (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 61Page 1 of 3EES period: 202425
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#SchoolGCSE Attainment 8TypeRegionOfsted
1The Harrodian School
Period 202425
75.4Independent · Day · 6thLondon, LondonGood
2St John's Preparatory and Senior School
Period 202425
68.1Independent · Day · 6thPotters Bar, London
3North Bridge House Senior Canonbury School
Period 202425
67.5Independent · Day · 6thUnknown, London
4Kew House
Period 202425
66.9Independent · Day · 6thLondon, London
5Thomas's College
Period 202425
64.4Independent · Boarding · 6thRichmond, London
6ArtsEd Day School & Sixth Form
Period 202425
63.3Independent · Day · 6thLondon, London
7North Bridge House Senior School
Period 202425
62.3Independent · Day · 6thUnknown, London
8Babington House School
Period 202425
59.8Independent · Day · 6thChislehurst, London
9Forest School58.5Independent · Day · 6thLondon, London
10Radnor House
Period 202425
56.2Independent · Day · 6thTwickenham, London
11Normanhurst School
Period 202425
55.6Independent · DayLondon, London
12North London Grammar School
Period 202425
55.5Independent · Boarding · 6thLondon, London
13Hall School Wimbledon
Period 202425
54.7Independent · Day · 6thUnknown, London
14London Park School Mayfair and London Park School Sixth
Period 202425
54.4Independent · Day · 6thLondon, London
15Mill Hill School Foundation
Period 202425
54.0Independent · Boarding · 6thLondon, London
16Hampton Court House
Period 202425
53.2Independent · Day · 6thEast Molesey, London
17Knightsbridge School
Period 202425
52.4Independent · DayLondon, London
18Immanuel School
Period 202425
51.3Independent · DayRomford, London
19London Park School Clapham
Period 202425
50.4Independent · DayLondon, London
20BRIT School for Performing Arts and Technology
Period 202425
50.1Independent · Day · 6thCroydon, London
21Alleyn's School
Period 202425
48.7Independent · Day · 6thLondon, London
22Read Academy Education
Period 202425
47.9Independent · DayIlford, LondonGood
23Kingston Grammar School
Period 202425
43.5Independent · Day · 6thKingston upon Thames, London
24Colfe's School
Period 202425
42.4Independent · Day · 6thLondon, London
25Bancroft's School
Period 202425
42.3Independent · Day · 6thWoodford Green, London
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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.