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Secondary · 中学

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 Composite score (period 202425). Composite = weighted Ofsted/ISI + A-Level + GCSE + KS2 + prep-destination signals.

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 113Page 1 of 5EES period: 202425
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#SchoolComposite scoreTypeRegionOfsted
1Wimbledon High School GDST63.7 composite
AAB%12.0
VA12.2
Att818.7
EM5+20.8
Independent · Day · 6thUnknown, London
2North Bridge House Senior Canonbury School63.5 composite
Ofsted18.0
AAB%4.8
VA10.8
Att813.5
EM5+16.5
Independent · Day · 6thUnknown, London
3City of London School61.0 composite
Ofsted13.5
AAB%11.8
VA10.1
Att87.8
EM5+17.7
Independent · Day · 6thLondon, London
4Northwood College for Girls GDST60.6 composite
Ofsted13.5
AAB%6.1
VA10.0
Att814.0
EM5+17.0
Independent · Day · 6thNorthwood, London
5The Harrodian School58.6 composite
Ofsted10.1
AAB%5.6
VA10.6
Att815.1
EM5+17.2
Independent · Day · 6thLondon, LondonGood
6St Helen's School57.1 composite
AAB%9.1
VA11.4
Att816.8
EM5+19.8
Independent · Day · 6thNorthwood, London
7Kew House54.9 composite
Ofsted13.5
AAB%3.0
VA10.1
Att813.4
EM5+14.8
Independent · Day · 6thLondon, London
8North Bridge House Senior School54.3 composite
Ofsted18.5
Att817.1
EM5+18.7
Independent · Day · 6thUnknown, London
9St Augustine's Priory54.0 composite
AAB%7.8
VA13.5
Att813.8
EM5+18.9
Independent · Day · 6thLondon, London
10Tayyibah Girls' School51.9 composite
Ofsted13.9
Att816.9
EM5+21.1
Independent · Day · 6thLondon, LondonGood
11St John's Preparatory and Senior School51.4 composite
AAB%3.9
VA11.6
Att815.7
EM5+20.2
Independent · Day · 6thPotters Bar, London
12Putney High School GDST50.4 composite
Ofsted18.0
AAB%12.3
VA10.8
Att89.4
EM5+0.0
Independent · Day · 6thUnknown, London
13Knightsbridge School50.3 composite
Ofsted24.7
Att814.4
EM5+11.2
Independent · DayLondon, London
14Hall School Wimbledon49.1 composite
Ofsted15.6
VA5.4
Att812.6
EM5+15.6
Independent · Day · 6thUnknown, London
15Ayesha Siddiqa Girls School49.0 composite
Ofsted13.9
Att817.1
EM5+18.1
Independent · Day · 6thSouthall, LondonGood
16London Park School Mayfair and London Park School Sixth49.0 composite
Ofsted13.5
AAB%2.0
VA11.7
Att810.9
EM5+11.0
Independent · Day · 6thLondon, London
17ArtsEd Day School & Sixth Form48.8 composite
Ofsted13.5
AAB%1.1
VA9.0
Att812.7
EM5+12.6
Independent · Day · 6thLondon, London
18Normanhurst School48.5 composite
Ofsted18.5
Att815.2
EM5+14.8
Independent · DayLondon, London
19Francis Holland School47.1 composite
Att817.6
EM5+29.5
Independent · Day · 6thLondon, London
20Madani Secondary Girls' School47.0 composite
Ofsted11.7
VA9.0
Att813.0
EM5+13.2
Independent · Day · 6thLondon, LondonGood
21James Allen's Girls' School46.7 composite
Ofsted13.5
AAB%11.8
VA10.0
Att811.4
EM5+0.0
Independent · Day · 6thLondon, London
22London Islamic School46.4 composite
Ofsted13.9
Att816.1
EM5+16.5
Independent · DayLondon, LondonGood
23Al Risalah Boys' School46.0 composite
Ofsted13.9
Att814.7
EM5+17.5
Independent · DayLondon, LondonGood
24City of London School for Girls45.9 composite
Ofsted13.5
AAB%12.7
VA9.7
Att89.9
EM5+0.0
Independent · Day · 6thLondon, London
25London East Academy45.3 composite
Ofsted13.9
Att815.3
EM5+16.2
Independent · DayLondon, LondonGood
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Source: GIAS school register + Ofsted Management Information — open licence, weekly refresh.

Composite caveats: Independent schools mostly don't submit to DfE EES, so they appear with low completeness scores (or not at all in the composite ranking). The composite mixes A-Level (Y13) and GCSE (Y11) signals — schools without a sixth form get a small completeness penalty even though it isn't a quality issue. For Independent senior schools, the destination-edge rankings (Oxford / Cambridge feeders) are usually more meaningful than this score.

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.