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:Ofsted Composite · A-Level Composite · GCSE Composite (all)A-Level AAB %A-Level APS / entry Value-addedGCSE Attainment 8 GCSE Eng+Maths 5+EBacc APS

BoardingAny Boarding Day

GenderAny Mixed (混合)Boys (男校)Girls (女校)

RegionUK-wide London South East South West East of England West Midlands East Midlands North West North East Yorkshire and the Humber

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Showing 1–25 of 130Page 1 of 6EES period: 202425

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#	School	Composite score	Type	Region	Ofsted
1	Wimbledon High School GDST	63.7 composite AAB%12.0 VA12.2 Att818.7 EM5+20.8	Independent · Day · 6th	Unknown, London	—
2	North Bridge House Senior Canonbury School	63.5 composite Ofsted18.0 AAB%4.8 VA10.8 Att813.5 EM5+16.5	Independent · Day · 6th	Unknown, London	—
3	Westminster School	63.3 composite Ofsted13.5 AAB%12.6 VA9.6 Att89.7 EM5+17.9	Independent · Boarding · 6th	London, London	—
4	City of London School	61.0 composite Ofsted13.5 AAB%11.8 VA10.1 Att87.8 EM5+17.7	Independent · Day · 6th	London, London	—
5	Northwood College for Girls GDST	60.6 composite Ofsted13.5 AAB%6.1 VA10.0 Att814.0 EM5+17.0	Independent · Day · 6th	Northwood, London	—
6	The Harrodian School	58.6 composite Ofsted10.1 AAB%5.6 VA10.6 Att815.1 EM5+17.2	Independent · Day · 6th	London, London	Good
7	St Helen's School	57.1 composite AAB%9.1 VA11.4 Att816.8 EM5+19.8	Independent · Day · 6th	Northwood, London	—
8	Thomas's College	55.9 composite Ofsted18.5 Att817.7 EM5+19.7	Independent · Boarding · 6th	Richmond, London	—
9	Kew House	54.9 composite Ofsted13.5 AAB%3.0 VA10.1 Att813.4 EM5+14.8	Independent · Day · 6th	London, London	—
10	North Bridge House Senior School	54.3 composite Ofsted18.5 Att817.1 EM5+18.7	Independent · Day · 6th	Unknown, London	—
11	St Augustine's Priory	54.0 composite AAB%7.8 VA13.5 Att813.8 EM5+18.9	Independent · Day · 6th	London, London	—
12	Tayyibah Girls' School	51.9 composite Ofsted13.9 Att816.9 EM5+21.1	Independent · Day · 6th	London, London	Good
13	North London Grammar School	51.5 composite Ofsted18.5 Att815.2 EM5+17.8	Independent · Boarding · 6th	London, London	—
14	St John's Preparatory and Senior School	51.4 composite AAB%3.9 VA11.6 Att815.7 EM5+20.2	Independent · Day · 6th	Potters Bar, London	—
15	Putney High School GDST	50.4 composite Ofsted18.0 AAB%12.3 VA10.8 Att89.4 EM5+0.0	Independent · Day · 6th	Unknown, London	—
16	Knightsbridge School	50.3 composite Ofsted24.7 Att814.4 EM5+11.2	Independent · Day	London, London	—
17	Hall School Wimbledon	49.1 composite Ofsted15.6 VA5.4 Att812.6 EM5+15.6	Independent · Day · 6th	Unknown, London	—
18	Ayesha Siddiqa Girls School	49.0 composite Ofsted13.9 Att817.1 EM5+18.1	Independent · Day · 6th	Southall, London	Good
19	London Park School Mayfair and London Park School Sixth	49.0 composite Ofsted13.5 AAB%2.0 VA11.7 Att810.9 EM5+11.0	Independent · Day · 6th	London, London	—
20	ArtsEd Day School & Sixth Form	48.8 composite Ofsted13.5 AAB%1.1 VA9.0 Att812.7 EM5+12.6	Independent · Day · 6th	London, London	—
21	Normanhurst School	48.5 composite Ofsted18.5 Att815.2 EM5+14.8	Independent · Day	London, London	—
22	Francis Holland School	47.1 composite Att817.6 EM5+29.5	Independent · Day · 6th	London, London	—
23	Madani Secondary Girls' School	47.0 composite Ofsted11.7 VA9.0 Att813.0 EM5+13.2	Independent · Day · 6th	London, London	Good
24	James Allen's Girls' School	46.7 composite Ofsted13.5 AAB%11.8 VA10.0 Att811.4 EM5+0.0	Independent · Day · 6th	London, London	—
25	London Islamic School	46.4 composite Ofsted13.9 Att816.1 EM5+16.5	Independent · Day	London, London	Good

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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.