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	Mill Hill School Foundation	1,767 pupils	Independent · Boarding · 6th	London, London	—
2	Royal Russell School	1,263 pupils	Independent · Boarding · 6th	Croydon, London	— ISI · Good
3	Farringtons School	660 pupils	Independent · Boarding · 6th	Chislehurst, London	— ISI · Good
4	Thomas's College	111 pupils	Independent · Boarding · 6th	Richmond, London	— ISI · Good
5	North London Grammar School	223 pupils	Independent · Boarding · 6th	London, London	— ISI · Good
6	Mander Portman Woodward School	563 pupils	Independent · Boarding · 6th	LONDON, London	— ISI · Good
7	Kensington Park School	200 pupils	Independent · Boarding · 6th	London, London	— ISI · Unsatisfactory
8	Guildhouse School	163 pupils	Independent · Boarding · 6th	London, London	— ISI · Good
9	David Game College	314 pupils	Independent · Boarding · 6th	Unknown, London	— ISI · Good
10	The Royal Ballet School	212 pupils	Independent · Boarding · 6th	London, London	— ISI · Good
11	DLD College	377 pupils	Independent · Boarding · 6th	Unknown, London	—
12	Kings London	100 pupils	Independent · Boarding · 6th	London, London	—

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.