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.

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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#	School	Ofsted	Type	Region	Ofsted
1	Reigate Grammar School	1,564 pupils	Independent · Day · 6th	Reigate, South East	— ISI · Good
2	Claremont Fan Court School	1,189 pupils	Independent · Day · 6th	Unknown, South East	— ISI · Good
3	The Portsmouth Grammar School	1,142 pupils	Independent · Day · 6th	Portsmouth, South East	— ISI · Good
4	Churcher's College	1,332 pupils	Independent · Day · 6th	Petersfield, South East	— ISI · Good
5	St George's College Weybridge	1,023 pupils	Independent · Day · 6th	Addlestone, South East	—
6	King Edward VI School	992 pupils	Independent · Day · 6th	Southampton, South East	— ISI · Good
7	Lewes Old Grammar School	694 pupils	Independent · Day · 6th	Unknown, South East	— ISI · Good
8	Lingfield College	951 pupils	Independent · Day · 6th	Lingfield, South East	— ISI · Good
9	St Edmunds school Trust Ltd	626 pupils	Independent · Day	Unknown, South East	—
10	Dunottar School	493 pupils	Independent · Day · 6th	Reigate, South East	— ISI · Good
11	Radnor House Sevenoaks	519 pupils	Independent · Day · 6th	Unknown, South East	— ISI · Good
12	Ewell Castle School	650 pupils	Independent · Day · 6th	Epsom, South East	— ISI · Good
13	Cokethorpe School	564 pupils	Independent · Day · 6th	Witney, South East	— ISI · Good
14	Our Lady of Sion School	314 pupils	Independent · Day · 6th	West Sussex, South East	— ISI · Good
15	St Gabriel's School	469 pupils	Independent · Day · 6th	Berkshire, South East	—
16	Downsend School	613 pupils	Independent · Day · 6th	Leatherhead, South East	— ISI · Good
17	Crosfields School	754 pupils	Independent · Day	Reading, South East	— ISI · Good
18	Michael Hall School	Good	Independent · Day · 6th	Forest Row, South East	Good
19	Cranford School	607 pupils	Independent · Day · 6th	Wallingford, South East	— ISI · Good
20	Claires Court Schools	961 pupils	Independent · Day · 6th	Maidenhead, South East	— ISI · Good
21	Meoncross School	295 pupils	Independent · Day	Unknown, South East	— ISI · Good
22	Ditcham Park School	415 pupils	Independent · Day	Petersfield, South East	— ISI · Good
23	The Webber Independent School	285 pupils	Independent · Day	Unknown, South East	— ISI · Good
24	Shoreham College	352 pupils	Independent · Day	Unknown, South East	— ISI · Good
25	Long Close School	190 pupils	Independent · Day	Slough, South East	— ISI · Good

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Source: GIAS school register + Ofsted Management Information — open licence, weekly refresh.

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.