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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
51St Edward's School813 pupilsIndependent · Boarding · 6thOxford, South East
52Pangbourne College406 pupilsIndependent · Boarding · 6thReading, South East
ISI · Good
53Ardingly College1,048 pupilsIndependent · Boarding · 6thHaywards Heath, South East
ISI · Good
54Christ's Hospital846 pupilsIndependent · Boarding · 6thHorsham, South East
55Leighton Park School565 pupilsIndependent · Boarding · 6thReading, South East
ISI · Good
56Walthamstow Hall473 pupilsIndependent · Day · 6thSevenoaks, South East
ISI · Good
57Sutton Valence School866 pupilsIndependent · Boarding · 6thMaidstone, South East
58Tormead School771 pupilsIndependent · Day · 6thGuildford, South East
ISI · Good
59St George's College Weybridge1,023 pupilsIndependent · Day · 6thAddlestone, South East
60Cranleigh School961 pupilsIndependent · Boarding · 6thCranleigh, South East
61King Edward VI School992 pupilsIndependent · Day · 6thSouthampton, South East
ISI · Good
62Kingham Hill School326 pupilsIndependent · Boarding · 6thChipping Norton, South East
ISI · Good
63Oxford International CollegeInadequateIndependent · Boarding · 6thUnknown, South EastInadequate
64Farnborough Hill502 pupilsIndependent · Day · 6thFarnborough, South East
ISI · Good
65Thornton College358 pupilsIndependent · Boarding · 6thMilton Keynes, South East
ISI · Good
66Sir William Perkins's School528 pupilsIndependent · Day · 6thUnknown, South East
67The Marist School447 pupilsIndependent · Day · 6thAscot, South East
ISI · Good
68Lewes Old Grammar School694 pupilsIndependent · Day · 6thUnknown, South East
ISI · Good
69d'Overbroeck's692 pupilsIndependent · Boarding · 6thOxford, South East
70St Hugh's School327 pupilsIndependent · BoardingOxfordshire, South East
71Reddam House Berkshire800 pupilsIndependent · Boarding · 6thWokingham, South East
72Battle Abbey School472 pupilsIndependent · Boarding · 6thEast Sussex, South East
ISI · Good
73Lingfield College951 pupilsIndependent · Day · 6thLingfield, South East
ISI · Good
74St Edmunds school Trust Ltd626 pupilsIndependent · DayUnknown, South East
75Kent College Pembury418 pupilsIndependent · Boarding · 6thTunbridge Wells, South East
ISI · Excellent
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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.