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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.

Sort by:OfstedComposite · A-LevelComposite · GCSEComposite (all)A-Level AAB %A-Level APS / entryValue-addedGCSE Attainment 8GCSE Eng+Maths 5+EBacc APS
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#SchoolOfstedTypeRegionOfsted
1St Paul's School1,517 pupilsIndependent · Boarding · 6thLondon, London
2Westminster School773 pupilsIndependent · Boarding · 6thLondon, London
ISI · Good
3Dulwich College1,919 pupilsIndependent · Boarding · 6thLondon, London
ISI · Good
4Harrow School831 pupilsIndependent · Boarding · 6thHarrow-on-the-Hill, London
ISI · Good
5Mill Hill School Foundation1,767 pupilsIndependent · Boarding · 6thLondon, London
6Dulwich Prep & Senior812 pupilsIndependent · BoardingUnknown, London
ISI · Good
7Whitgift School1,517 pupilsIndependent · Boarding · 6thUnknown, London
ISI · Good
8Royal Russell School1,263 pupilsIndependent · Boarding · 6thCroydon, London
ISI · Good
9Farringtons School660 pupilsIndependent · Boarding · 6thChislehurst, London
ISI · Good
10Thomas's College111 pupilsIndependent · Boarding · 6thRichmond, London
ISI · Good
11North London Grammar School223 pupilsIndependent · Boarding · 6thLondon, London
ISI · Good
12Mander Portman Woodward School563 pupilsIndependent · Boarding · 6thLONDON, London
ISI · Good
13Kensington Park School200 pupilsIndependent · Boarding · 6thLondon, London
ISI · Unsatisfactory
14Guildhouse School163 pupilsIndependent · Boarding · 6thLondon, London
ISI · Good
15David Game College314 pupilsIndependent · Boarding · 6thUnknown, London
ISI · Good
16The Royal Ballet School212 pupilsIndependent · Boarding · 6thLondon, London
ISI · Good
17DLD College377 pupilsIndependent · Boarding · 6thUnknown, London
18Kings London100 pupilsIndependent · Boarding · 6thLondon, 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.