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 26–50 of 200Page 2 of 8EES period: 202425

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#	School	Composite score	Type	Region	Ofsted
26	Westbourne School	53.7 composite Ofsted18.5 Att817.1 EM5+18.1	Independent · Day	Unknown, Yorkshire and the Humber	—
27	Stafford Grammar School	53.5 composite Ofsted13.5 AAB%2.2 VA10.8 Att812.3 EM5+14.7	Independent · Day · 6th	Unknown, West Midlands	—
28	Ratcliffe College	53.4 composite Ofsted13.5 AAB%5.5 VA12.0 Att810.1 EM5+12.4	Independent · Boarding · 6th	Unknown, East Midlands	—
29	Radnor House Sevenoaks	53.1 composite Ofsted13.5 AAB%3.7 VA11.0 Att810.4 EM5+14.5	Independent · Day · 6th	Unknown, South East	—
30	Huddersfield Grammar School	53.1 composite Ofsted18.5 Att816.7 EM5+17.9	Independent · Day	Huddersfield, Yorkshire and the Humber	—
31	Hulme Grammar School	53.0 composite Ofsted13.5 AAB%5.0 VA10.3 Att811.9 EM5+12.3	Independent · Day · 6th	Oldham, North West	—
32	West Buckland School	52.6 composite Ofsted13.5 AAB%5.1 VA10.7 Att810.8 EM5+12.4	Independent · Boarding · 6th	Barnstaple, South West	—
33	Oneschool Global Uk Salisbury Campus	52.5 composite Ofsted15.6 VA13.6 Att811.7 EM5+11.5	Independent · Day · 6th	Salisbury, South West	—
34	Priory School	52.2 composite Ofsted18.5 Att816.2 EM5+17.5	Independent · Day · 6th	Unknown, West Midlands	—
35	Sherfield School	52.1 composite Ofsted13.5 AAB%0.0 VA10.7 Att813.3 EM5+14.7	Independent · Boarding · 6th	Hampshire, South East	—
36	Bethany School	52.0 composite Ofsted13.9 Att817.0 EM5+21.1	Independent · Day	Sheffield, Yorkshire and the Humber	Good
37	Hydesville Tower School	51.8 composite Ofsted18.5 Att815.8 EM5+17.5	Independent · Day	Unknown, West Midlands	—
38	North London Grammar School	51.5 composite Ofsted18.5 Att815.2 EM5+17.8	Independent · Boarding · 6th	London, London	—
39	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	—
40	Colchester Prep & High School	51.3 composite Ofsted18.5 Att816.7 EM5+16.1	Independent · Day	Colchester, East of England	—
41	Brentwood School	51.0 composite Ofsted13.5 AAB%3.5 VA13.7 Att86.2 EM5+14.1	Independent · Boarding · 6th	Brentwood, East of England	—
42	Cardiff Sixth Form College, Cambridge	50.6 composite AAB%25.1 VA25.4	Independent · Boarding · 6th	Unknown, East of England	—
43	Al-Aqsa Schools Trust	50.4 composite Ofsted13.9 Att816.8 EM5+19.7	Independent · Day	Leicester, East Midlands	Good
44	Knightsbridge School	50.3 composite Ofsted24.7 Att814.4 EM5+11.2	Independent · Day	London, London	—
45	Cundall Manor School	50.2 composite Ofsted18.5 Att816.6 EM5+15.1	Independent · Boarding	Unknown, Yorkshire and the Humber	—
46	Holmwood House School	50.0 composite Ofsted50.0	Independent · Boarding	Colchester, East of England	—
47	Tower College	49.8 composite Ofsted18.5 Att815.4 EM5+16.0	Independent · Day	Prescot, North West	—
48	Shoreham College	49.8 composite Ofsted18.5 Att815.4 EM5+15.9	Independent · Day	Unknown, South East	—
49	Ashville College	49.7 composite Ofsted13.5 AAB%5.1 VA12.3 Att89.9 EM5+8.8	Independent · Boarding · 6th	Harrogate, Yorkshire and the Humber	—
50	Cransley School	49.6 composite Ofsted18.5 Att814.3 EM5+16.8	Independent · Day	Northwich, North West	—

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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.